Home / 3,612,426.32-5,414,846.42-1,215,438.86

Finding the Fourth Proportional to 3,612,426.32, 5,414,846.42 and 1,215,438.86

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Solution

The fourth proportional to 3,612,426.32, 5,414,846.42 and 1,215,438.86 is: 1,821,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,426.32 : 5,414,846.42 = 1,215,438.86 : x
  2. Step 2: Convert to fraction form
    3,612,426.32/5,414,846.42 = 1,215,438.86/x
  3. Step 3: Cross multiply
    3,612,426.32x = 5,414,846.42 × 1,215,438.86
  4. Step 4: Simplify right side
    3,612,426.32x = 6,581,414,759,799.88
  5. Step 5: Solve for x
    x = 6,581,414,759,799.88/3,612,426.32
  6. Step 6: Final answer
    x = 1,821,882.08

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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.