Home / 2,179,697.16-3,270,016.32-663,498.64

Finding the Fourth Proportional to 2,179,697.16, 3,270,016.32 and 663,498.64

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Solution

The fourth proportional to 2,179,697.16, 3,270,016.32 and 663,498.64 is: 995,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,697.16 : 3,270,016.32 = 663,498.64 : x
  2. Step 2: Convert to fraction form
    2,179,697.16/3,270,016.32 = 663,498.64/x
  3. Step 3: Cross multiply
    2,179,697.16x = 3,270,016.32 × 663,498.64
  4. Step 4: Simplify right side
    2,179,697.16x = 2,169,651,381,097.80
  5. Step 5: Solve for x
    x = 2,169,651,381,097.80/2,179,697.16
  6. Step 6: Final answer
    x = 995,391.20

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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.