Home / 3,825,920.05-5,279,705.44-2,107,200.49

Finding the Fourth Proportional to 3,825,920.05, 5,279,705.44 and 2,107,200.49

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Solution

The fourth proportional to 3,825,920.05, 5,279,705.44 and 2,107,200.49 is: 2,907,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,920.05 : 5,279,705.44 = 2,107,200.49 : x
  2. Step 2: Convert to fraction form
    3,825,920.05/5,279,705.44 = 2,107,200.49/x
  3. Step 3: Cross multiply
    3,825,920.05x = 5,279,705.44 × 2,107,200.49
  4. Step 4: Simplify right side
    3,825,920.05x = 11,125,397,890,223.67
  5. Step 5: Solve for x
    x = 11,125,397,890,223.67/3,825,920.05
  6. Step 6: Final answer
    x = 2,907,901.30

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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.