Home / 7,201,331.60-9,937,641-3,981,957.52

Finding the Fourth Proportional to 7,201,331.60, 9,937,641 and 3,981,957.52

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Solution

The fourth proportional to 7,201,331.60, 9,937,641 and 3,981,957.52 is: 5,494,992.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201,331.60 : 9,937,641 = 3,981,957.52 : x
  2. Step 2: Convert to fraction form
    7,201,331.60/9,937,641 = 3,981,957.52/x
  3. Step 3: Cross multiply
    7,201,331.60x = 9,937,641 × 3,981,957.52
  4. Step 4: Simplify right side
    7,201,331.60x = 39,571,264,311,010.32
  5. Step 5: Solve for x
    x = 39,571,264,311,010.32/7,201,331.60
  6. Step 6: Final answer
    x = 5,494,992.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.