Home / 4,398,329.31-6,069,686.45-2,679,449.78

Finding the Fourth Proportional to 4,398,329.31, 6,069,686.45 and 2,679,449.78

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Solution

The fourth proportional to 4,398,329.31, 6,069,686.45 and 2,679,449.78 is: 3,697,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398,329.31 : 6,069,686.45 = 2,679,449.78 : x
  2. Step 2: Convert to fraction form
    4,398,329.31/6,069,686.45 = 2,679,449.78/x
  3. Step 3: Cross multiply
    4,398,329.31x = 6,069,686.45 × 2,679,449.78
  4. Step 4: Simplify right side
    4,398,329.31x = 16,263,419,979,375.80
  5. Step 5: Solve for x
    x = 16,263,419,979,375.80/4,398,329.31
  6. Step 6: Final answer
    x = 3,697,635.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.