Home / 3,780,691.08-5,215,829.40-2,188,357.44

Finding the Fourth Proportional to 3,780,691.08, 5,215,829.40 and 2,188,357.44

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Solution

The fourth proportional to 3,780,691.08, 5,215,829.40 and 2,188,357.44 is: 3,019,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,691.08 : 5,215,829.40 = 2,188,357.44 : x
  2. Step 2: Convert to fraction form
    3,780,691.08/5,215,829.40 = 2,188,357.44/x
  3. Step 3: Cross multiply
    3,780,691.08x = 5,215,829.40 × 2,188,357.44
  4. Step 4: Simplify right side
    3,780,691.08x = 11,414,099,073,260.74
  5. Step 5: Solve for x
    x = 11,414,099,073,260.74/3,780,691.08
  6. Step 6: Final answer
    x = 3,019,050.97

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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.