Home / 3,124,915.12-4,685,822.07-994,722.31

Finding the Fourth Proportional to 3,124,915.12, 4,685,822.07 and 994,722.31

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Solution

The fourth proportional to 3,124,915.12, 4,685,822.07 and 994,722.31 is: 1,491,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,915.12 : 4,685,822.07 = 994,722.31 : x
  2. Step 2: Convert to fraction form
    3,124,915.12/4,685,822.07 = 994,722.31/x
  3. Step 3: Cross multiply
    3,124,915.12x = 4,685,822.07 × 994,722.31
  4. Step 4: Simplify right side
    3,124,915.12x = 4,661,091,753,719.38
  5. Step 5: Solve for x
    x = 4,661,091,753,719.38/3,124,915.12
  6. Step 6: Final answer
    x = 1,491,589.88

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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.