Home / 5,387,251.82-8,073,860.15-2,188,638.56

Finding the Fourth Proportional to 5,387,251.82, 8,073,860.15 and 2,188,638.56

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Solution

The fourth proportional to 5,387,251.82, 8,073,860.15 and 2,188,638.56 is: 3,280,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,251.82 : 8,073,860.15 = 2,188,638.56 : x
  2. Step 2: Convert to fraction form
    5,387,251.82/8,073,860.15 = 2,188,638.56/x
  3. Step 3: Cross multiply
    5,387,251.82x = 8,073,860.15 × 2,188,638.56
  4. Step 4: Simplify right side
    5,387,251.82x = 17,670,761,677,993.63
  5. Step 5: Solve for x
    x = 17,670,761,677,993.63/5,387,251.82
  6. Step 6: Final answer
    x = 3,280,106.87

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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.