Home / 2,661,255.62-3,991,883.01-639,499.54

Finding the Fourth Proportional to 2,661,255.62, 3,991,883.01 and 639,499.54

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Solution

The fourth proportional to 2,661,255.62, 3,991,883.01 and 639,499.54 is: 959,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,255.62 : 3,991,883.01 = 639,499.54 : x
  2. Step 2: Convert to fraction form
    2,661,255.62/3,991,883.01 = 639,499.54/x
  3. Step 3: Cross multiply
    2,661,255.62x = 3,991,883.01 × 639,499.54
  4. Step 4: Simplify right side
    2,661,255.62x = 2,552,807,348,628.82
  5. Step 5: Solve for x
    x = 2,552,807,348,628.82/2,661,255.62
  6. Step 6: Final answer
    x = 959,249.21

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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.