Home / 3,895,626.71-5,375,871.02-2,129,446.52

Finding the Fourth Proportional to 3,895,626.71, 5,375,871.02 and 2,129,446.52

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Solution

The fourth proportional to 3,895,626.71, 5,375,871.02 and 2,129,446.52 is: 2,938,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,626.71 : 5,375,871.02 = 2,129,446.52 : x
  2. Step 2: Convert to fraction form
    3,895,626.71/5,375,871.02 = 2,129,446.52/x
  3. Step 3: Cross multiply
    3,895,626.71x = 5,375,871.02 × 2,129,446.52
  4. Step 4: Simplify right side
    3,895,626.71x = 11,447,629,835,507.85
  5. Step 5: Solve for x
    x = 11,447,629,835,507.85/3,895,626.71
  6. Step 6: Final answer
    x = 2,938,584.90

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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.