Home / 5,462,403.40-8,193,605.10-3,761,792.20

Finding the Fourth Proportional to 5,462,403.40, 8,193,605.10 and 3,761,792.20

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Solution

The fourth proportional to 5,462,403.40, 8,193,605.10 and 3,761,792.20 is: 5,642,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,462,403.40 : 8,193,605.10 = 3,761,792.20 : x
  2. Step 2: Convert to fraction form
    5,462,403.40/8,193,605.10 = 3,761,792.20/x
  3. Step 3: Cross multiply
    5,462,403.40x = 8,193,605.10 × 3,761,792.20
  4. Step 4: Simplify right side
    5,462,403.40x = 30,822,639,755,060.22
  5. Step 5: Solve for x
    x = 30,822,639,755,060.22/5,462,403.40
  6. Step 6: Final answer
    x = 5,642,688.30

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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.