Home / 3,888,396.80-5,832,595.20-2,943,612.80

Finding the Fourth Proportional to 3,888,396.80, 5,832,595.20 and 2,943,612.80

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Solution

The fourth proportional to 3,888,396.80, 5,832,595.20 and 2,943,612.80 is: 4,415,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,396.80 : 5,832,595.20 = 2,943,612.80 : x
  2. Step 2: Convert to fraction form
    3,888,396.80/5,832,595.20 = 2,943,612.80/x
  3. Step 3: Cross multiply
    3,888,396.80x = 5,832,595.20 × 2,943,612.80
  4. Step 4: Simplify right side
    3,888,396.80x = 17,168,901,887,938.56
  5. Step 5: Solve for x
    x = 17,168,901,887,938.56/3,888,396.80
  6. Step 6: Final answer
    x = 4,415,419.20

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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.