Home / 3,159,838.85-4,363,589.11-2,987,691.33

Finding the Fourth Proportional to 3,159,838.85, 4,363,589.11 and 2,987,691.33

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Solution

The fourth proportional to 3,159,838.85, 4,363,589.11 and 2,987,691.33 is: 4,125,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159,838.85 : 4,363,589.11 = 2,987,691.33 : x
  2. Step 2: Convert to fraction form
    3,159,838.85/4,363,589.11 = 2,987,691.33/x
  3. Step 3: Cross multiply
    3,159,838.85x = 4,363,589.11 × 2,987,691.33
  4. Step 4: Simplify right side
    3,159,838.85x = 13,037,057,349,485.66
  5. Step 5: Solve for x
    x = 13,037,057,349,485.66/3,159,838.85
  6. Step 6: Final answer
    x = 4,125,861.47

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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.