Home / 3,853,700.17-5,318,126.53-2,177,290.86

Finding the Fourth Proportional to 3,853,700.17, 5,318,126.53 and 2,177,290.86

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Solution

The fourth proportional to 3,853,700.17, 5,318,126.53 and 2,177,290.86 is: 3,004,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,700.17 : 5,318,126.53 = 2,177,290.86 : x
  2. Step 2: Convert to fraction form
    3,853,700.17/5,318,126.53 = 2,177,290.86/x
  3. Step 3: Cross multiply
    3,853,700.17x = 5,318,126.53 × 2,177,290.86
  4. Step 4: Simplify right side
    3,853,700.17x = 11,579,108,287,910.80
  5. Step 5: Solve for x
    x = 11,579,108,287,910.80/3,853,700.17
  6. Step 6: Final answer
    x = 3,004,672.85

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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.