Home / 3,825,919.80-5,279,705.10-2,107,200.24

Finding the Fourth Proportional to 3,825,919.80, 5,279,705.10 and 2,107,200.24

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Solution

The fourth proportional to 3,825,919.80, 5,279,705.10 and 2,107,200.24 is: 2,907,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,919.80 : 5,279,705.10 = 2,107,200.24 : x
  2. Step 2: Convert to fraction form
    3,825,919.80/5,279,705.10 = 2,107,200.24/x
  3. Step 3: Cross multiply
    3,825,919.80x = 5,279,705.10 × 2,107,200.24
  4. Step 4: Simplify right side
    3,825,919.80x = 11,125,395,853,849.22
  5. Step 5: Solve for x
    x = 11,125,395,853,849.22/3,825,919.80
  6. Step 6: Final answer
    x = 2,907,900.96

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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.