Home / 2,707,439.20-4,059,603.60-813,896.80

Finding the Fourth Proportional to 2,707,439.20, 4,059,603.60 and 813,896.80

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Solution

The fourth proportional to 2,707,439.20, 4,059,603.60 and 813,896.80 is: 1,220,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707,439.20 : 4,059,603.60 = 813,896.80 : x
  2. Step 2: Convert to fraction form
    2,707,439.20/4,059,603.60 = 813,896.80/x
  3. Step 3: Cross multiply
    2,707,439.20x = 4,059,603.60 × 813,896.80
  4. Step 4: Simplify right side
    2,707,439.20x = 3,304,098,379,308.48
  5. Step 5: Solve for x
    x = 3,304,098,379,308.48/2,707,439.20
  6. Step 6: Final answer
    x = 1,220,377.68

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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.