Home / 3,681,974.85-5,520,394.60-1,631,520.20

Finding the Fourth Proportional to 3,681,974.85, 5,520,394.60 and 1,631,520.20

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Solution

The fourth proportional to 3,681,974.85, 5,520,394.60 and 1,631,520.20 is: 2,446,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681,974.85 : 5,520,394.60 = 1,631,520.20 : x
  2. Step 2: Convert to fraction form
    3,681,974.85/5,520,394.60 = 1,631,520.20/x
  3. Step 3: Cross multiply
    3,681,974.85x = 5,520,394.60 × 1,631,520.20
  4. Step 4: Simplify right side
    3,681,974.85x = 9,006,635,274,268.95
  5. Step 5: Solve for x
    x = 9,006,635,274,268.95/3,681,974.85
  6. Step 6: Final answer
    x = 2,446,142.53

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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.