Home / 2,279,168.40-3,417,490.39-932,276.78

Finding the Fourth Proportional to 2,279,168.40, 3,417,490.39 and 932,276.78

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Solution

The fourth proportional to 2,279,168.40, 3,417,490.39 and 932,276.78 is: 1,397,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,168.40 : 3,417,490.39 = 932,276.78 : x
  2. Step 2: Convert to fraction form
    2,279,168.40/3,417,490.39 = 932,276.78/x
  3. Step 3: Cross multiply
    2,279,168.40x = 3,417,490.39 × 932,276.78
  4. Step 4: Simplify right side
    2,279,168.40x = 3,186,046,936,470.14
  5. Step 5: Solve for x
    x = 3,186,046,936,470.14/2,279,168.40
  6. Step 6: Final answer
    x = 1,397,898.87

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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.