Home / 2,661,254.62-3,991,881.51-639,498.54

Finding the Fourth Proportional to 2,661,254.62, 3,991,881.51 and 639,498.54

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Solution

The fourth proportional to 2,661,254.62, 3,991,881.51 and 639,498.54 is: 959,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,254.62 : 3,991,881.51 = 639,498.54 : x
  2. Step 2: Convert to fraction form
    2,661,254.62/3,991,881.51 = 639,498.54/x
  3. Step 3: Cross multiply
    2,661,254.62x = 3,991,881.51 × 639,498.54
  4. Step 4: Simplify right side
    2,661,254.62x = 2,552,802,414,266.14
  5. Step 5: Solve for x
    x = 2,552,802,414,266.14/2,661,254.62
  6. Step 6: Final answer
    x = 959,247.72

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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.