Home / 3,868,385.72-5,338,266.12-2,149,462.04

Finding the Fourth Proportional to 3,868,385.72, 5,338,266.12 and 2,149,462.04

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Solution

The fourth proportional to 3,868,385.72, 5,338,266.12 and 2,149,462.04 is: 2,966,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,385.72 : 5,338,266.12 = 2,149,462.04 : x
  2. Step 2: Convert to fraction form
    3,868,385.72/5,338,266.12 = 2,149,462.04/x
  3. Step 3: Cross multiply
    3,868,385.72x = 5,338,266.12 × 2,149,462.04
  4. Step 4: Simplify right side
    3,868,385.72x = 11,474,400,357,666.76
  5. Step 5: Solve for x
    x = 11,474,400,357,666.76/3,868,385.72
  6. Step 6: Final answer
    x = 2,966,198.62

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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.