Home / 2,635,780.43-3,949,157.23-1,438,542.82

Finding the Fourth Proportional to 2,635,780.43, 3,949,157.23 and 1,438,542.82

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Solution

The fourth proportional to 2,635,780.43, 3,949,157.23 and 1,438,542.82 is: 2,155,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635,780.43 : 3,949,157.23 = 1,438,542.82 : x
  2. Step 2: Convert to fraction form
    2,635,780.43/3,949,157.23 = 1,438,542.82/x
  3. Step 3: Cross multiply
    2,635,780.43x = 3,949,157.23 × 1,438,542.82
  4. Step 4: Simplify right side
    2,635,780.43x = 5,681,031,779,607.68
  5. Step 5: Solve for x
    x = 5,681,031,779,607.68/2,635,780.43
  6. Step 6: Final answer
    x = 2,155,350.92

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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.