Home / 6,127,279.80-9,190,919.70-1,639,555.80

Finding the Fourth Proportional to 6,127,279.80, 9,190,919.70 and 1,639,555.80

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Solution

The fourth proportional to 6,127,279.80, 9,190,919.70 and 1,639,555.80 is: 2,459,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127,279.80 : 9,190,919.70 = 1,639,555.80 : x
  2. Step 2: Convert to fraction form
    6,127,279.80/9,190,919.70 = 1,639,555.80/x
  3. Step 3: Cross multiply
    6,127,279.80x = 9,190,919.70 × 1,639,555.80
  4. Step 4: Simplify right side
    6,127,279.80x = 15,069,025,701,469.26
  5. Step 5: Solve for x
    x = 15,069,025,701,469.26/6,127,279.80
  6. Step 6: Final answer
    x = 2,459,333.70

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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.