Home / 3,880,306.62-5,354,878.61-2,226,723.21

Finding the Fourth Proportional to 3,880,306.62, 5,354,878.61 and 2,226,723.21

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Solution

The fourth proportional to 3,880,306.62, 5,354,878.61 and 2,226,723.21 is: 3,072,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,306.62 : 5,354,878.61 = 2,226,723.21 : x
  2. Step 2: Convert to fraction form
    3,880,306.62/5,354,878.61 = 2,226,723.21/x
  3. Step 3: Cross multiply
    3,880,306.62x = 5,354,878.61 × 2,226,723.21
  4. Step 4: Simplify right side
    3,880,306.62x = 11,923,832,493,186.35
  5. Step 5: Solve for x
    x = 11,923,832,493,186.35/3,880,306.62
  6. Step 6: Final answer
    x = 3,072,909.87

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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.