Home / 2,227,912.11-3,338,874.72-1,215,517.02

Finding the Fourth Proportional to 2,227,912.11, 3,338,874.72 and 1,215,517.02

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Solution

The fourth proportional to 2,227,912.11, 3,338,874.72 and 1,215,517.02 is: 1,821,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,912.11 : 3,338,874.72 = 1,215,517.02 : x
  2. Step 2: Convert to fraction form
    2,227,912.11/3,338,874.72 = 1,215,517.02/x
  3. Step 3: Cross multiply
    2,227,912.11x = 3,338,874.72 × 1,215,517.02
  4. Step 4: Simplify right side
    2,227,912.11x = 4,058,459,049,807.74
  5. Step 5: Solve for x
    x = 4,058,459,049,807.74/2,227,912.11
  6. Step 6: Final answer
    x = 1,821,642.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.