Home / 5,168,076.97-7,131,946.23-2,876,778.94

Finding the Fourth Proportional to 5,168,076.97, 7,131,946.23 and 2,876,778.94

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Solution

The fourth proportional to 5,168,076.97, 7,131,946.23 and 2,876,778.94 is: 3,969,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,076.97 : 7,131,946.23 = 2,876,778.94 : x
  2. Step 2: Convert to fraction form
    5,168,076.97/7,131,946.23 = 2,876,778.94/x
  3. Step 3: Cross multiply
    5,168,076.97x = 7,131,946.23 × 2,876,778.94
  4. Step 4: Simplify right side
    5,168,076.97x = 20,517,032,715,676.40
  5. Step 5: Solve for x
    x = 20,517,032,715,676.40/5,168,076.97
  6. Step 6: Final answer
    x = 3,969,954.94

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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.