Home / 6,442,830.46-8,890,648.23-3,542,146.30

Finding the Fourth Proportional to 6,442,830.46, 8,890,648.23 and 3,542,146.30

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Solution

The fourth proportional to 6,442,830.46, 8,890,648.23 and 3,542,146.30 is: 4,887,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,830.46 : 8,890,648.23 = 3,542,146.30 : x
  2. Step 2: Convert to fraction form
    6,442,830.46/8,890,648.23 = 3,542,146.30/x
  3. Step 3: Cross multiply
    6,442,830.46x = 8,890,648.23 × 3,542,146.30
  4. Step 4: Simplify right side
    6,442,830.46x = 31,491,976,732,496.05
  5. Step 5: Solve for x
    x = 31,491,976,732,496.05/6,442,830.46
  6. Step 6: Final answer
    x = 4,887,910.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.