Home / 3,454,278.72-5,181,478.56-1,324,484.16

Finding the Fourth Proportional to 3,454,278.72, 5,181,478.56 and 1,324,484.16

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Solution

The fourth proportional to 3,454,278.72, 5,181,478.56 and 1,324,484.16 is: 1,986,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454,278.72 : 5,181,478.56 = 1,324,484.16 : x
  2. Step 2: Convert to fraction form
    3,454,278.72/5,181,478.56 = 1,324,484.16/x
  3. Step 3: Cross multiply
    3,454,278.72x = 5,181,478.56 × 1,324,484.16
  4. Step 4: Simplify right side
    3,454,278.72x = 6,862,786,278,099.61
  5. Step 5: Solve for x
    x = 6,862,786,278,099.61/3,454,278.72
  6. Step 6: Final answer
    x = 1,986,749.43

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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.