Home / 3,938,268.68-5,908,399.98-1,098,380.90

Finding the Fourth Proportional to 3,938,268.68, 5,908,399.98 and 1,098,380.90

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Solution

The fourth proportional to 3,938,268.68, 5,908,399.98 and 1,098,380.90 is: 1,647,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,268.68 : 5,908,399.98 = 1,098,380.90 : x
  2. Step 2: Convert to fraction form
    3,938,268.68/5,908,399.98 = 1,098,380.90/x
  3. Step 3: Cross multiply
    3,938,268.68x = 5,908,399.98 × 1,098,380.90
  4. Step 4: Simplify right side
    3,938,268.68x = 6,489,673,687,592.38
  5. Step 5: Solve for x
    x = 6,489,673,687,592.38/3,938,268.68
  6. Step 6: Final answer
    x = 1,647,849.40

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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.