Home / 3,912,008.76-5,398,568.28-2,193,129.72

Finding the Fourth Proportional to 3,912,008.76, 5,398,568.28 and 2,193,129.72

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Solution

The fourth proportional to 3,912,008.76, 5,398,568.28 and 2,193,129.72 is: 3,026,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,008.76 : 5,398,568.28 = 2,193,129.72 : x
  2. Step 2: Convert to fraction form
    3,912,008.76/5,398,568.28 = 2,193,129.72/x
  3. Step 3: Cross multiply
    3,912,008.76x = 5,398,568.28 × 2,193,129.72
  4. Step 4: Simplify right side
    3,912,008.76x = 11,839,760,540,317.28
  5. Step 5: Solve for x
    x = 11,839,760,540,317.28/3,912,008.76
  6. Step 6: Final answer
    x = 3,026,516.88

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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.