Home / 1,996,999.32-2,755,857.24-1,079,227.92

Finding the Fourth Proportional to 1,996,999.32, 2,755,857.24 and 1,079,227.92

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Solution

The fourth proportional to 1,996,999.32, 2,755,857.24 and 1,079,227.92 is: 1,489,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,999.32 : 2,755,857.24 = 1,079,227.92 : x
  2. Step 2: Convert to fraction form
    1,996,999.32/2,755,857.24 = 1,079,227.92/x
  3. Step 3: Cross multiply
    1,996,999.32x = 2,755,857.24 × 1,079,227.92
  4. Step 4: Simplify right side
    1,996,999.32x = 2,974,198,076,942.14
  5. Step 5: Solve for x
    x = 2,974,198,076,942.14/1,996,999.32
  6. Step 6: Final answer
    x = 1,489,333.55

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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.