Home / 2,702,049.32-3,728,823.70-1,478,359.78

Finding the Fourth Proportional to 2,702,049.32, 3,728,823.70 and 1,478,359.78

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Solution

The fourth proportional to 2,702,049.32, 3,728,823.70 and 1,478,359.78 is: 2,040,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702,049.32 : 3,728,823.70 = 1,478,359.78 : x
  2. Step 2: Convert to fraction form
    2,702,049.32/3,728,823.70 = 1,478,359.78/x
  3. Step 3: Cross multiply
    2,702,049.32x = 3,728,823.70 × 1,478,359.78
  4. Step 4: Simplify right side
    2,702,049.32x = 5,512,542,985,755.92
  5. Step 5: Solve for x
    x = 5,512,542,985,755.92/2,702,049.32
  6. Step 6: Final answer
    x = 2,040,134.11

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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.