Home / 6,120,457.20-9,172,812.60-3,721,755.60

Finding the Fourth Proportional to 6,120,457.20, 9,172,812.60 and 3,721,755.60

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Solution

The fourth proportional to 6,120,457.20, 9,172,812.60 and 3,721,755.60 is: 5,577,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,457.20 : 9,172,812.60 = 3,721,755.60 : x
  2. Step 2: Convert to fraction form
    6,120,457.20/9,172,812.60 = 3,721,755.60/x
  3. Step 3: Cross multiply
    6,120,457.20x = 9,172,812.60 × 3,721,755.60
  4. Step 4: Simplify right side
    6,120,457.20x = 34,138,966,661,800.56
  5. Step 5: Solve for x
    x = 34,138,966,661,800.56/6,120,457.20
  6. Step 6: Final answer
    x = 5,577,845.83

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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.