Home / 3,926,363.88-5,418,375.66-2,207,487.72

Finding the Fourth Proportional to 3,926,363.88, 5,418,375.66 and 2,207,487.72

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Solution

The fourth proportional to 3,926,363.88, 5,418,375.66 and 2,207,487.72 is: 3,046,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,363.88 : 5,418,375.66 = 2,207,487.72 : x
  2. Step 2: Convert to fraction form
    3,926,363.88/5,418,375.66 = 2,207,487.72/x
  3. Step 3: Cross multiply
    3,926,363.88x = 5,418,375.66 × 2,207,487.72
  4. Step 4: Simplify right side
    3,926,363.88x = 11,960,997,731,796.90
  5. Step 5: Solve for x
    x = 11,960,997,731,796.90/3,926,363.88
  6. Step 6: Final answer
    x = 3,046,329.40

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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.