Home / 3,789,909.20-5,230,608.11-2,412,813.02

Finding the Fourth Proportional to 3,789,909.20, 5,230,608.11 and 2,412,813.02

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Solution

The fourth proportional to 3,789,909.20, 5,230,608.11 and 2,412,813.02 is: 3,330,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789,909.20 : 5,230,608.11 = 2,412,813.02 : x
  2. Step 2: Convert to fraction form
    3,789,909.20/5,230,608.11 = 2,412,813.02/x
  3. Step 3: Cross multiply
    3,789,909.20x = 5,230,608.11 × 2,412,813.02
  4. Step 4: Simplify right side
    3,789,909.20x = 12,620,479,321,156.54
  5. Step 5: Solve for x
    x = 12,620,479,321,156.54/3,789,909.20
  6. Step 6: Final answer
    x = 3,330,021.55

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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.