Home / 2,231,625.94-3,348,864.51-811,546.90

Finding the Fourth Proportional to 2,231,625.94, 3,348,864.51 and 811,546.90

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Solution

The fourth proportional to 2,231,625.94, 3,348,864.51 and 811,546.90 is: 1,217,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,625.94 : 3,348,864.51 = 811,546.90 : x
  2. Step 2: Convert to fraction form
    2,231,625.94/3,348,864.51 = 811,546.90/x
  3. Step 3: Cross multiply
    2,231,625.94x = 3,348,864.51 × 811,546.90
  4. Step 4: Simplify right side
    2,231,625.94x = 2,717,760,611,610.52
  5. Step 5: Solve for x
    x = 2,717,760,611,610.52/2,231,625.94
  6. Step 6: Final answer
    x = 1,217,838.78

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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.