Home / 6,391,825.11-8,820,666.10-3,491,217.94

Finding the Fourth Proportional to 6,391,825.11, 8,820,666.10 and 3,491,217.94

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Solution

The fourth proportional to 6,391,825.11, 8,820,666.10 and 3,491,217.94 is: 4,817,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,825.11 : 8,820,666.10 = 3,491,217.94 : x
  2. Step 2: Convert to fraction form
    6,391,825.11/8,820,666.10 = 3,491,217.94/x
  3. Step 3: Cross multiply
    6,391,825.11x = 8,820,666.10 × 3,491,217.94
  4. Step 4: Simplify right side
    6,391,825.11x = 30,794,867,713,613.75
  5. Step 5: Solve for x
    x = 30,794,867,713,613.75/6,391,825.11
  6. Step 6: Final answer
    x = 4,817,852.05

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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.