Home / 3,821,143.70-5,273,178.13-2,102,227.31

Finding the Fourth Proportional to 3,821,143.70, 5,273,178.13 and 2,102,227.31

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Solution

The fourth proportional to 3,821,143.70, 5,273,178.13 and 2,102,227.31 is: 2,901,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821,143.70 : 5,273,178.13 = 2,102,227.31 : x
  2. Step 2: Convert to fraction form
    3,821,143.70/5,273,178.13 = 2,102,227.31/x
  3. Step 3: Cross multiply
    3,821,143.70x = 5,273,178.13 × 2,102,227.31
  4. Step 4: Simplify right side
    3,821,143.70x = 11,085,419,083,308.11
  5. Step 5: Solve for x
    x = 11,085,419,083,308.11/3,821,143.70
  6. Step 6: Final answer
    x = 2,901,073.59

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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.