Home / 2,177,073.09-3,265,620.05-660,769.18

Finding the Fourth Proportional to 2,177,073.09, 3,265,620.05 and 660,769.18

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Solution

The fourth proportional to 2,177,073.09, 3,265,620.05 and 660,769.18 is: 991,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,073.09 : 3,265,620.05 = 660,769.18 : x
  2. Step 2: Convert to fraction form
    2,177,073.09/3,265,620.05 = 660,769.18/x
  3. Step 3: Cross multiply
    2,177,073.09x = 3,265,620.05 × 660,769.18
  4. Step 4: Simplify right side
    2,177,073.09x = 2,157,821,082,630.06
  5. Step 5: Solve for x
    x = 2,157,821,082,630.06/2,177,073.09
  6. Step 6: Final answer
    x = 991,156.93

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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.