Home / 2,635,781.55-3,949,158.90-1,438,543.95

Finding the Fourth Proportional to 2,635,781.55, 3,949,158.90 and 1,438,543.95

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Solution

The fourth proportional to 2,635,781.55, 3,949,158.90 and 1,438,543.95 is: 2,155,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635,781.55 : 3,949,158.90 = 1,438,543.95 : x
  2. Step 2: Convert to fraction form
    2,635,781.55/3,949,158.90 = 1,438,543.95/x
  3. Step 3: Cross multiply
    2,635,781.55x = 3,949,158.90 × 1,438,543.95
  4. Step 4: Simplify right side
    2,635,781.55x = 5,681,038,643,183.65
  5. Step 5: Solve for x
    x = 5,681,038,643,183.65/2,635,781.55
  6. Step 6: Final answer
    x = 2,155,352.61

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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.