Home / 2,949,406.78-4,424,108.13-819,489.91

Finding the Fourth Proportional to 2,949,406.78, 4,424,108.13 and 819,489.91

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Solution

The fourth proportional to 2,949,406.78, 4,424,108.13 and 819,489.91 is: 1,229,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949,406.78 : 4,424,108.13 = 819,489.91 : x
  2. Step 2: Convert to fraction form
    2,949,406.78/4,424,108.13 = 819,489.91/x
  3. Step 3: Cross multiply
    2,949,406.78x = 4,424,108.13 × 819,489.91
  4. Step 4: Simplify right side
    2,949,406.78x = 3,625,511,973,283.97
  5. Step 5: Solve for x
    x = 3,625,511,973,283.97/2,949,406.78
  6. Step 6: Final answer
    x = 1,229,234.30

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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.