Home / 5,341,520.40-8,012,086.20-2,145,778.80

Finding the Fourth Proportional to 5,341,520.40, 8,012,086.20 and 2,145,778.80

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Solution

The fourth proportional to 5,341,520.40, 8,012,086.20 and 2,145,778.80 is: 3,218,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341,520.40 : 8,012,086.20 = 2,145,778.80 : x
  2. Step 2: Convert to fraction form
    5,341,520.40/8,012,086.20 = 2,145,778.80/x
  3. Step 3: Cross multiply
    5,341,520.40x = 8,012,086.20 × 2,145,778.80
  4. Step 4: Simplify right side
    5,341,520.40x = 17,192,164,711,732.56
  5. Step 5: Solve for x
    x = 17,192,164,711,732.56/5,341,520.40
  6. Step 6: Final answer
    x = 3,218,590.11

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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.