Home / 3,419,144.75-5,120,498.13-1,955,755.92

Finding the Fourth Proportional to 3,419,144.75, 5,120,498.13 and 1,955,755.92

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Solution

The fourth proportional to 3,419,144.75, 5,120,498.13 and 1,955,755.92 is: 2,928,932.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,144.75 : 5,120,498.13 = 1,955,755.92 : x
  2. Step 2: Convert to fraction form
    3,419,144.75/5,120,498.13 = 1,955,755.92/x
  3. Step 3: Cross multiply
    3,419,144.75x = 5,120,498.13 × 1,955,755.92
  4. Step 4: Simplify right side
    3,419,144.75x = 10,014,444,542,964.21
  5. Step 5: Solve for x
    x = 10,014,444,542,964.21/3,419,144.75
  6. Step 6: Final answer
    x = 2,928,932.60

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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.