Home / 6,442,829.46-8,890,646.85-3,542,145.30

Finding the Fourth Proportional to 6,442,829.46, 8,890,646.85 and 3,542,145.30

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Solution

The fourth proportional to 6,442,829.46, 8,890,646.85 and 3,542,145.30 is: 4,887,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,829.46 : 8,890,646.85 = 3,542,145.30 : x
  2. Step 2: Convert to fraction form
    6,442,829.46/8,890,646.85 = 3,542,145.30/x
  3. Step 3: Cross multiply
    6,442,829.46x = 8,890,646.85 × 3,542,145.30
  4. Step 4: Simplify right side
    6,442,829.46x = 31,491,962,953,687.30
  5. Step 5: Solve for x
    x = 31,491,962,953,687.30/6,442,829.46
  6. Step 6: Final answer
    x = 4,887,908.82

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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.