Home / 2,177,072.09-3,265,618.55-660,768.18

Finding the Fourth Proportional to 2,177,072.09, 3,265,618.55 and 660,768.18

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Solution

The fourth proportional to 2,177,072.09, 3,265,618.55 and 660,768.18 is: 991,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,072.09 : 3,265,618.55 = 660,768.18 : x
  2. Step 2: Convert to fraction form
    2,177,072.09/3,265,618.55 = 660,768.18/x
  3. Step 3: Cross multiply
    2,177,072.09x = 3,265,618.55 × 660,768.18
  4. Step 4: Simplify right side
    2,177,072.09x = 2,157,816,822,553.90
  5. Step 5: Solve for x
    x = 2,157,816,822,553.90/2,177,072.09
  6. Step 6: Final answer
    x = 991,155.43

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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.