Home / 3,612,421.07-5,414,838.56-1,215,433.61

Finding the Fourth Proportional to 3,612,421.07, 5,414,838.56 and 1,215,433.61

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Solution

The fourth proportional to 3,612,421.07, 5,414,838.56 and 1,215,433.61 is: 1,821,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,421.07 : 5,414,838.56 = 1,215,433.61 : x
  2. Step 2: Convert to fraction form
    3,612,421.07/5,414,838.56 = 1,215,433.61/x
  3. Step 3: Cross multiply
    3,612,421.07x = 5,414,838.56 × 1,215,433.61
  4. Step 4: Simplify right side
    3,612,421.07x = 6,581,376,772,470.83
  5. Step 5: Solve for x
    x = 6,581,376,772,470.83/3,612,421.07
  6. Step 6: Final answer
    x = 1,821,874.21

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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.