Home / 3,938,087.75-5,434,565.96-2,127,251.75

Finding the Fourth Proportional to 3,938,087.75, 5,434,565.96 and 2,127,251.75

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Solution

The fourth proportional to 3,938,087.75, 5,434,565.96 and 2,127,251.75 is: 2,935,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,087.75 : 5,434,565.96 = 2,127,251.75 : x
  2. Step 2: Convert to fraction form
    3,938,087.75/5,434,565.96 = 2,127,251.75/x
  3. Step 3: Cross multiply
    3,938,087.75x = 5,434,565.96 × 2,127,251.75
  4. Step 4: Simplify right side
    3,938,087.75x = 11,560,689,948,900.43
  5. Step 5: Solve for x
    x = 11,560,689,948,900.43/3,938,087.75
  6. Step 6: Final answer
    x = 2,935,610.04

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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.