Home / 3,489,843.20-5,230,876.80-1,359,219.20

Finding the Fourth Proportional to 3,489,843.20, 5,230,876.80 and 1,359,219.20

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Solution

The fourth proportional to 3,489,843.20, 5,230,876.80 and 1,359,219.20 is: 2,037,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489,843.20 : 5,230,876.80 = 1,359,219.20 : x
  2. Step 2: Convert to fraction form
    3,489,843.20/5,230,876.80 = 1,359,219.20/x
  3. Step 3: Cross multiply
    3,489,843.20x = 5,230,876.80 × 1,359,219.20
  4. Step 4: Simplify right side
    3,489,843.20x = 7,109,908,179,394.56
  5. Step 5: Solve for x
    x = 7,109,908,179,394.56/3,489,843.20
  6. Step 6: Final answer
    x = 2,037,314.51

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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.