Home / 4,986,009.20-7,481,346.60-2,148,546.80

Finding the Fourth Proportional to 4,986,009.20, 7,481,346.60 and 2,148,546.80

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Solution

The fourth proportional to 4,986,009.20, 7,481,346.60 and 2,148,546.80 is: 3,223,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986,009.20 : 7,481,346.60 = 2,148,546.80 : x
  2. Step 2: Convert to fraction form
    4,986,009.20/7,481,346.60 = 2,148,546.80/x
  3. Step 3: Cross multiply
    4,986,009.20x = 7,481,346.60 × 2,148,546.80
  4. Step 4: Simplify right side
    4,986,009.20x = 16,074,023,297,120.88
  5. Step 5: Solve for x
    x = 16,074,023,297,120.88/4,986,009.20
  6. Step 6: Final answer
    x = 3,223,825.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.