Home / 3,117,116.80-4,675,329.60-2,555,171.20

Finding the Fourth Proportional to 3,117,116.80, 4,675,329.60 and 2,555,171.20

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Solution

The fourth proportional to 3,117,116.80, 4,675,329.60 and 2,555,171.20 is: 3,832,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,116.80 : 4,675,329.60 = 2,555,171.20 : x
  2. Step 2: Convert to fraction form
    3,117,116.80/4,675,329.60 = 2,555,171.20/x
  3. Step 3: Cross multiply
    3,117,116.80x = 4,675,329.60 × 2,555,171.20
  4. Step 4: Simplify right side
    3,117,116.80x = 11,946,267,544,427.52
  5. Step 5: Solve for x
    x = 11,946,267,544,427.52/3,117,116.80
  6. Step 6: Final answer
    x = 3,832,473.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.