Home / 3,418,175.28-5,120,499.92-2,779,192.24

Finding the Fourth Proportional to 3,418,175.28, 5,120,499.92 and 2,779,192.24

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Solution

The fourth proportional to 3,418,175.28, 5,120,499.92 and 2,779,192.24 is: 4,163,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,175.28 : 5,120,499.92 = 2,779,192.24 : x
  2. Step 2: Convert to fraction form
    3,418,175.28/5,120,499.92 = 2,779,192.24/x
  3. Step 3: Cross multiply
    3,418,175.28x = 5,120,499.92 × 2,779,192.24
  4. Step 4: Simplify right side
    3,418,175.28x = 14,230,853,642,584.62
  5. Step 5: Solve for x
    x = 14,230,853,642,584.62/3,418,175.28
  6. Step 6: Final answer
    x = 4,163,289.61

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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.