Home / 2,179,997.16-3,270,487.83-663,815.68

Finding the Fourth Proportional to 2,179,997.16, 3,270,487.83 and 663,815.68

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Solution

The fourth proportional to 2,179,997.16, 3,270,487.83 and 663,815.68 is: 995,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,997.16 : 3,270,487.83 = 663,815.68 : x
  2. Step 2: Convert to fraction form
    2,179,997.16/3,270,487.83 = 663,815.68/x
  3. Step 3: Cross multiply
    2,179,997.16x = 3,270,487.83 × 663,815.68
  4. Step 4: Simplify right side
    2,179,997.16x = 2,171,001,102,803.17
  5. Step 5: Solve for x
    x = 2,171,001,102,803.17/2,179,997.16
  6. Step 6: Final answer
    x = 995,873.36

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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.