Home / 2,486,523.92-3,729,786.02-689,407.43

Finding the Fourth Proportional to 2,486,523.92, 3,729,786.02 and 689,407.43

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Solution

The fourth proportional to 2,486,523.92, 3,729,786.02 and 689,407.43 is: 1,034,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,523.92 : 3,729,786.02 = 689,407.43 : x
  2. Step 2: Convert to fraction form
    2,486,523.92/3,729,786.02 = 689,407.43/x
  3. Step 3: Cross multiply
    2,486,523.92x = 3,729,786.02 × 689,407.43
  4. Step 4: Simplify right side
    2,486,523.92x = 2,571,342,177,572.72
  5. Step 5: Solve for x
    x = 2,571,342,177,572.72/2,486,523.92
  6. Step 6: Final answer
    x = 1,034,111.18

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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.