Home / 2,165,484.92-2,987,682.18-1,259,891.96

Finding the Fourth Proportional to 2,165,484.92, 2,987,682.18 and 1,259,891.96

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Solution

The fourth proportional to 2,165,484.92, 2,987,682.18 and 1,259,891.96 is: 1,738,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,484.92 : 2,987,682.18 = 1,259,891.96 : x
  2. Step 2: Convert to fraction form
    2,165,484.92/2,987,682.18 = 1,259,891.96/x
  3. Step 3: Cross multiply
    2,165,484.92x = 2,987,682.18 × 1,259,891.96
  4. Step 4: Simplify right side
    2,165,484.92x = 3,764,156,757,617.27
  5. Step 5: Solve for x
    x = 3,764,156,757,617.27/2,165,484.92
  6. Step 6: Final answer
    x = 1,738,251.20

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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.