Home / 2,108,508.52-3,162,957.21-688,572.04

Finding the Fourth Proportional to 2,108,508.52, 3,162,957.21 and 688,572.04

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Solution

The fourth proportional to 2,108,508.52, 3,162,957.21 and 688,572.04 is: 1,032,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,508.52 : 3,162,957.21 = 688,572.04 : x
  2. Step 2: Convert to fraction form
    2,108,508.52/3,162,957.21 = 688,572.04/x
  3. Step 3: Cross multiply
    2,108,508.52x = 3,162,957.21 × 688,572.04
  4. Step 4: Simplify right side
    2,108,508.52x = 2,177,923,898,522.41
  5. Step 5: Solve for x
    x = 2,177,923,898,522.41/2,108,508.52
  6. Step 6: Final answer
    x = 1,032,921.55

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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.