Home / 3,131,466.62-4,321,530.31-2,987,977.55

Finding the Fourth Proportional to 3,131,466.62, 4,321,530.31 and 2,987,977.55

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Solution

The fourth proportional to 3,131,466.62, 4,321,530.31 and 2,987,977.55 is: 4,123,510.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,466.62 : 4,321,530.31 = 2,987,977.55 : x
  2. Step 2: Convert to fraction form
    3,131,466.62/4,321,530.31 = 2,987,977.55/x
  3. Step 3: Cross multiply
    3,131,466.62x = 4,321,530.31 × 2,987,977.55
  4. Step 4: Simplify right side
    3,131,466.62x = 12,912,635,573,517.69
  5. Step 5: Solve for x
    x = 12,912,635,573,517.69/3,131,466.62
  6. Step 6: Final answer
    x = 4,123,510.52

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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.