Home / 5,425,879.40-8,138,819.10-3,300,132.20

Finding the Fourth Proportional to 5,425,879.40, 8,138,819.10 and 3,300,132.20

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Solution

The fourth proportional to 5,425,879.40, 8,138,819.10 and 3,300,132.20 is: 4,950,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,879.40 : 8,138,819.10 = 3,300,132.20 : x
  2. Step 2: Convert to fraction form
    5,425,879.40/8,138,819.10 = 3,300,132.20/x
  3. Step 3: Cross multiply
    5,425,879.40x = 8,138,819.10 × 3,300,132.20
  4. Step 4: Simplify right side
    5,425,879.40x = 26,859,178,981,885.02
  5. Step 5: Solve for x
    x = 26,859,178,981,885.02/5,425,879.40
  6. Step 6: Final answer
    x = 4,950,198.30

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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.