Home / 3,378,292.72-5,067,439.08-853,947.97

Finding the Fourth Proportional to 3,378,292.72, 5,067,439.08 and 853,947.97

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Solution

The fourth proportional to 3,378,292.72, 5,067,439.08 and 853,947.97 is: 1,280,921.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378,292.72 : 5,067,439.08 = 853,947.97 : x
  2. Step 2: Convert to fraction form
    3,378,292.72/5,067,439.08 = 853,947.97/x
  3. Step 3: Cross multiply
    3,378,292.72x = 5,067,439.08 × 853,947.97
  4. Step 4: Simplify right side
    3,378,292.72x = 4,327,329,299,593.77
  5. Step 5: Solve for x
    x = 4,327,329,299,593.77/3,378,292.72
  6. Step 6: Final answer
    x = 1,280,921.95

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Double scale
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Similar ratio
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1.5x scale

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.