Home / 2,487,617.05-3,731,446.46-690,640.65

Finding the Fourth Proportional to 2,487,617.05, 3,731,446.46 and 690,640.65

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Solution

The fourth proportional to 2,487,617.05, 3,731,446.46 and 690,640.65 is: 1,035,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,617.05 : 3,731,446.46 = 690,640.65 : x
  2. Step 2: Convert to fraction form
    2,487,617.05/3,731,446.46 = 690,640.65/x
  3. Step 3: Cross multiply
    2,487,617.05x = 3,731,446.46 × 690,640.65
  4. Step 4: Simplify right side
    2,487,617.05x = 2,577,088,613,496.66
  5. Step 5: Solve for x
    x = 2,577,088,613,496.66/2,487,617.05
  6. Step 6: Final answer
    x = 1,035,966.78

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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.