Home / 2,661,755.07-3,992,630.76-639,998.31

Finding the Fourth Proportional to 2,661,755.07, 3,992,630.76 and 639,998.31

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Solution

The fourth proportional to 2,661,755.07, 3,992,630.76 and 639,998.31 is: 959,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,755.07 : 3,992,630.76 = 639,998.31 : x
  2. Step 2: Convert to fraction form
    2,661,755.07/3,992,630.76 = 639,998.31/x
  3. Step 3: Cross multiply
    2,661,755.07x = 3,992,630.76 × 639,998.31
  4. Step 4: Simplify right side
    2,661,755.07x = 2,555,276,938,854.02
  5. Step 5: Solve for x
    x = 2,555,276,938,854.02/2,661,755.07
  6. Step 6: Final answer
    x = 959,997.02

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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.