Home / 2,179,998.66-3,270,490.08-663,817.18

Finding the Fourth Proportional to 2,179,998.66, 3,270,490.08 and 663,817.18

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Solution

The fourth proportional to 2,179,998.66, 3,270,490.08 and 663,817.18 is: 995,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,998.66 : 3,270,490.08 = 663,817.18 : x
  2. Step 2: Convert to fraction form
    2,179,998.66/3,270,490.08 = 663,817.18/x
  3. Step 3: Cross multiply
    2,179,998.66x = 3,270,490.08 × 663,817.18
  4. Step 4: Simplify right side
    2,179,998.66x = 2,171,007,502,123.57
  5. Step 5: Solve for x
    x = 2,171,007,502,123.57/2,179,998.66
  6. Step 6: Final answer
    x = 995,875.61

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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.