Home / 5,578,680.20-7,697,987.28-3,131,560.85

Finding the Fourth Proportional to 5,578,680.20, 7,697,987.28 and 3,131,560.85

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Solution

The fourth proportional to 5,578,680.20, 7,697,987.28 and 3,131,560.85 is: 4,321,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578,680.20 : 7,697,987.28 = 3,131,560.85 : x
  2. Step 2: Convert to fraction form
    5,578,680.20/7,697,987.28 = 3,131,560.85/x
  3. Step 3: Cross multiply
    5,578,680.20x = 7,697,987.28 × 3,131,560.85
  4. Step 4: Simplify right side
    5,578,680.20x = 24,106,715,551,356.05
  5. Step 5: Solve for x
    x = 24,106,715,551,356.05/5,578,680.20
  6. Step 6: Final answer
    x = 4,321,221.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.