Home / 5,162,992.50-7,125,064.08-2,839,944.90

Finding the Fourth Proportional to 5,162,992.50, 7,125,064.08 and 2,839,944.90

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Solution

The fourth proportional to 5,162,992.50, 7,125,064.08 and 2,839,944.90 is: 3,919,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162,992.50 : 7,125,064.08 = 2,839,944.90 : x
  2. Step 2: Convert to fraction form
    5,162,992.50/7,125,064.08 = 2,839,944.90/x
  3. Step 3: Cross multiply
    5,162,992.50x = 7,125,064.08 × 2,839,944.90
  4. Step 4: Simplify right side
    5,162,992.50x = 20,234,789,396,169.19
  5. Step 5: Solve for x
    x = 20,234,789,396,169.19/5,162,992.50
  6. Step 6: Final answer
    x = 3,919,197.91

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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.