Home / 2,171,224.32-2,996,231.76-1,253,422.48

Finding the Fourth Proportional to 2,171,224.32, 2,996,231.76 and 1,253,422.48

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Solution

The fourth proportional to 2,171,224.32, 2,996,231.76 and 1,253,422.48 is: 1,729,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,224.32 : 2,996,231.76 = 1,253,422.48 : x
  2. Step 2: Convert to fraction form
    2,171,224.32/2,996,231.76 = 1,253,422.48/x
  3. Step 3: Cross multiply
    2,171,224.32x = 2,996,231.76 × 1,253,422.48
  4. Step 4: Simplify right side
    2,171,224.32x = 3,755,544,243,273.96
  5. Step 5: Solve for x
    x = 3,755,544,243,273.96/2,171,224.32
  6. Step 6: Final answer
    x = 1,729,689.65

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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.