Home / 3,612,422.32-5,414,840.43-1,215,434.86

Finding the Fourth Proportional to 3,612,422.32, 5,414,840.43 and 1,215,434.86

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Solution

The fourth proportional to 3,612,422.32, 5,414,840.43 and 1,215,434.86 is: 1,821,876.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,422.32 : 5,414,840.43 = 1,215,434.86 : x
  2. Step 2: Convert to fraction form
    3,612,422.32/5,414,840.43 = 1,215,434.86/x
  3. Step 3: Cross multiply
    3,612,422.32x = 5,414,840.43 × 1,215,434.86
  4. Step 4: Simplify right side
    3,612,422.32x = 6,581,385,819,959.39
  5. Step 5: Solve for x
    x = 6,581,385,819,959.39/3,612,422.32
  6. Step 6: Final answer
    x = 1,821,876.08

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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.