Home / 3,427,489.41-4,729,753.31-1,977,098.55

Finding the Fourth Proportional to 3,427,489.41, 4,729,753.31 and 1,977,098.55

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Solution

The fourth proportional to 3,427,489.41, 4,729,753.31 and 1,977,098.55 is: 2,728,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,489.41 : 4,729,753.31 = 1,977,098.55 : x
  2. Step 2: Convert to fraction form
    3,427,489.41/4,729,753.31 = 1,977,098.55/x
  3. Step 3: Cross multiply
    3,427,489.41x = 4,729,753.31 × 1,977,098.55
  4. Step 4: Simplify right side
    3,427,489.41x = 9,351,188,411,058.70
  5. Step 5: Solve for x
    x = 9,351,188,411,058.70/3,427,489.41
  6. Step 6: Final answer
    x = 2,728,290.97

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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.