Home / 3,933,621.75-5,428,565.46-2,191,289.04

Finding the Fourth Proportional to 3,933,621.75, 5,428,565.46 and 2,191,289.04

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Solution

The fourth proportional to 3,933,621.75, 5,428,565.46 and 2,191,289.04 is: 3,024,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933,621.75 : 5,428,565.46 = 2,191,289.04 : x
  2. Step 2: Convert to fraction form
    3,933,621.75/5,428,565.46 = 2,191,289.04/x
  3. Step 3: Cross multiply
    3,933,621.75x = 5,428,565.46 × 2,191,289.04
  4. Step 4: Simplify right side
    3,933,621.75x = 11,895,555,995,420.56
  5. Step 5: Solve for x
    x = 11,895,555,995,420.56/3,933,621.75
  6. Step 6: Final answer
    x = 3,024,072.15

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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.