Home / 5,378,549.80-8,067,824.70-2,183,780.20

Finding the Fourth Proportional to 5,378,549.80, 8,067,824.70 and 2,183,780.20

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Solution

The fourth proportional to 5,378,549.80, 8,067,824.70 and 2,183,780.20 is: 3,275,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378,549.80 : 8,067,824.70 = 2,183,780.20 : x
  2. Step 2: Convert to fraction form
    5,378,549.80/8,067,824.70 = 2,183,780.20/x
  3. Step 3: Cross multiply
    5,378,549.80x = 8,067,824.70 × 2,183,780.20
  4. Step 4: Simplify right side
    5,378,549.80x = 17,618,355,836,930.94
  5. Step 5: Solve for x
    x = 17,618,355,836,930.94/5,378,549.80
  6. Step 6: Final answer
    x = 3,275,670.30

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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.