Home / 3,589,819.80-5,384,729.70-2,172,643.80

Finding the Fourth Proportional to 3,589,819.80, 5,384,729.70 and 2,172,643.80

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Solution

The fourth proportional to 3,589,819.80, 5,384,729.70 and 2,172,643.80 is: 3,258,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589,819.80 : 5,384,729.70 = 2,172,643.80 : x
  2. Step 2: Convert to fraction form
    3,589,819.80/5,384,729.70 = 2,172,643.80/x
  3. Step 3: Cross multiply
    3,589,819.80x = 5,384,729.70 × 2,172,643.80
  4. Step 4: Simplify right side
    3,589,819.80x = 11,699,099,597,380.86
  5. Step 5: Solve for x
    x = 11,699,099,597,380.86/3,589,819.80
  6. Step 6: Final answer
    x = 3,258,965.70

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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.