Home / 6,391,833.88-9,587,787.28-2,131,989.62

Finding the Fourth Proportional to 6,391,833.88, 9,587,787.28 and 2,131,989.62

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Solution

The fourth proportional to 6,391,833.88, 9,587,787.28 and 2,131,989.62 is: 3,197,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,833.88 : 9,587,787.28 = 2,131,989.62 : x
  2. Step 2: Convert to fraction form
    6,391,833.88/9,587,787.28 = 2,131,989.62/x
  3. Step 3: Cross multiply
    6,391,833.88x = 9,587,787.28 × 2,131,989.62
  4. Step 4: Simplify right side
    6,391,833.88x = 20,441,062,959,728.04
  5. Step 5: Solve for x
    x = 20,441,062,959,728.04/6,391,833.88
  6. Step 6: Final answer
    x = 3,197,996.59

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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.