Home / 2,555,851.05-3,836,376.17-1,277,375.77

Finding the Fourth Proportional to 2,555,851.05, 3,836,376.17 and 1,277,375.77

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Solution

The fourth proportional to 2,555,851.05, 3,836,376.17 and 1,277,375.77 is: 1,917,362.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555,851.05 : 3,836,376.17 = 1,277,375.77 : x
  2. Step 2: Convert to fraction form
    2,555,851.05/3,836,376.17 = 1,277,375.77/x
  3. Step 3: Cross multiply
    2,555,851.05x = 3,836,376.17 × 1,277,375.77
  4. Step 4: Simplify right side
    2,555,851.05x = 4,900,493,967,362.15
  5. Step 5: Solve for x
    x = 4,900,493,967,362.15/2,555,851.05
  6. Step 6: Final answer
    x = 1,917,362.89

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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.