Home / 6,979,375.66-10,469,065.92-2,187,436.72

Finding the Fourth Proportional to 6,979,375.66, 10,469,065.92 and 2,187,436.72

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Solution

The fourth proportional to 6,979,375.66, 10,469,065.92 and 2,187,436.72 is: 3,281,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,375.66 : 10,469,065.92 = 2,187,436.72 : x
  2. Step 2: Convert to fraction form
    6,979,375.66/10,469,065.92 = 2,187,436.72/x
  3. Step 3: Cross multiply
    6,979,375.66x = 10,469,065.92 × 2,187,436.72
  4. Step 4: Simplify right side
    6,979,375.66x = 22,900,419,217,508.59
  5. Step 5: Solve for x
    x = 22,900,419,217,508.59/6,979,375.66
  6. Step 6: Final answer
    x = 3,281,155.84

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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.