Home / 2,486,343.10-3,729,145.12-689,039.16

Finding the Fourth Proportional to 2,486,343.10, 3,729,145.12 and 689,039.16

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Solution

The fourth proportional to 2,486,343.10, 3,729,145.12 and 689,039.16 is: 1,033,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,343.10 : 3,729,145.12 = 689,039.16 : x
  2. Step 2: Convert to fraction form
    2,486,343.10/3,729,145.12 = 689,039.16/x
  3. Step 3: Cross multiply
    2,486,343.10x = 3,729,145.12 × 689,039.16
  4. Step 4: Simplify right side
    2,486,343.10x = 2,569,527,021,002.90
  5. Step 5: Solve for x
    x = 2,569,527,021,002.90/2,486,343.10
  6. Step 6: Final answer
    x = 1,033,456.33

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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.