Home / 2,179,997.66-3,270,488.58-663,816.18

Finding the Fourth Proportional to 2,179,997.66, 3,270,488.58 and 663,816.18

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Solution

The fourth proportional to 2,179,997.66, 3,270,488.58 and 663,816.18 is: 995,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,997.66 : 3,270,488.58 = 663,816.18 : x
  2. Step 2: Convert to fraction form
    2,179,997.66/3,270,488.58 = 663,816.18/x
  3. Step 3: Cross multiply
    2,179,997.66x = 3,270,488.58 × 663,816.18
  4. Step 4: Simplify right side
    2,179,997.66x = 2,171,003,235,909.22
  5. Step 5: Solve for x
    x = 2,171,003,235,909.22/2,179,997.66
  6. Step 6: Final answer
    x = 995,874.11

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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.