Home / 3,826,121.75-5,279,805.78-2,107,242.26

Finding the Fourth Proportional to 3,826,121.75, 5,279,805.78 and 2,107,242.26

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Solution

The fourth proportional to 3,826,121.75, 5,279,805.78 and 2,107,242.26 is: 2,907,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,121.75 : 5,279,805.78 = 2,107,242.26 : x
  2. Step 2: Convert to fraction form
    3,826,121.75/5,279,805.78 = 2,107,242.26/x
  3. Step 3: Cross multiply
    3,826,121.75x = 5,279,805.78 × 2,107,242.26
  4. Step 4: Simplify right side
    3,826,121.75x = 11,125,829,837,809.23
  5. Step 5: Solve for x
    x = 11,125,829,837,809.23/3,826,121.75
  6. Step 6: Final answer
    x = 2,907,860.90

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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.