Home / 2,487,305.90-3,731,880.45-992,470.70

Finding the Fourth Proportional to 2,487,305.90, 3,731,880.45 and 992,470.70

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Solution

The fourth proportional to 2,487,305.90, 3,731,880.45 and 992,470.70 is: 1,489,073.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,305.90 : 3,731,880.45 = 992,470.70 : x
  2. Step 2: Convert to fraction form
    2,487,305.90/3,731,880.45 = 992,470.70/x
  3. Step 3: Cross multiply
    2,487,305.90x = 3,731,880.45 × 992,470.70
  4. Step 4: Simplify right side
    2,487,305.90x = 3,703,782,002,527.82
  5. Step 5: Solve for x
    x = 3,703,782,002,527.82/2,487,305.90
  6. Step 6: Final answer
    x = 1,489,073.78

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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.