Home / 2,179,990.67-3,270,478.07-663,809.18

Finding the Fourth Proportional to 2,179,990.67, 3,270,478.07 and 663,809.18

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Solution

The fourth proportional to 2,179,990.67, 3,270,478.07 and 663,809.18 is: 995,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,990.67 : 3,270,478.07 = 663,809.18 : x
  2. Step 2: Convert to fraction form
    2,179,990.67/3,270,478.07 = 663,809.18/x
  3. Step 3: Cross multiply
    2,179,990.67x = 3,270,478.07 × 663,809.18
  4. Step 4: Simplify right side
    2,179,990.67x = 2,170,973,351,161.68
  5. Step 5: Solve for x
    x = 2,170,973,351,161.68/2,179,990.67
  6. Step 6: Final answer
    x = 995,863.60

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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.