Home / 4,129,179.60-6,193,766.52-1,289,535.12

Finding the Fourth Proportional to 4,129,179.60, 6,193,766.52 and 1,289,535.12

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Solution

The fourth proportional to 4,129,179.60, 6,193,766.52 and 1,289,535.12 is: 1,934,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129,179.60 : 6,193,766.52 = 1,289,535.12 : x
  2. Step 2: Convert to fraction form
    4,129,179.60/6,193,766.52 = 1,289,535.12/x
  3. Step 3: Cross multiply
    4,129,179.60x = 6,193,766.52 × 1,289,535.12
  4. Step 4: Simplify right side
    4,129,179.60x = 7,987,079,452,620.18
  5. Step 5: Solve for x
    x = 7,987,079,452,620.18/4,129,179.60
  6. Step 6: Final answer
    x = 1,934,301.78

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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.