Home / 5,385,086.40-8,067,799.20-3,281,380.80

Finding the Fourth Proportional to 5,385,086.40, 8,067,799.20 and 3,281,380.80

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Solution

The fourth proportional to 5,385,086.40, 8,067,799.20 and 3,281,380.80 is: 4,916,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,086.40 : 8,067,799.20 = 3,281,380.80 : x
  2. Step 2: Convert to fraction form
    5,385,086.40/8,067,799.20 = 3,281,380.80/x
  3. Step 3: Cross multiply
    5,385,086.40x = 8,067,799.20 × 3,281,380.80
  4. Step 4: Simplify right side
    5,385,086.40x = 26,473,521,393,135.36
  5. Step 5: Solve for x
    x = 26,473,521,393,135.36/5,385,086.40
  6. Step 6: Final answer
    x = 4,916,081.09

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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.