Home / 2,065,765.60-3,098,648.40-1,120,981.60

Finding the Fourth Proportional to 2,065,765.60, 3,098,648.40 and 1,120,981.60

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Solution

The fourth proportional to 2,065,765.60, 3,098,648.40 and 1,120,981.60 is: 1,681,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,765.60 : 3,098,648.40 = 1,120,981.60 : x
  2. Step 2: Convert to fraction form
    2,065,765.60/3,098,648.40 = 1,120,981.60/x
  3. Step 3: Cross multiply
    2,065,765.60x = 3,098,648.40 × 1,120,981.60
  4. Step 4: Simplify right side
    2,065,765.60x = 3,473,527,841,269.44
  5. Step 5: Solve for x
    x = 3,473,527,841,269.44/2,065,765.60
  6. Step 6: Final answer
    x = 1,681,472.40

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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.