Home / 2,179,706.16-3,270,029.84-663,507.64

Finding the Fourth Proportional to 2,179,706.16, 3,270,029.84 and 663,507.64

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Solution

The fourth proportional to 2,179,706.16, 3,270,029.84 and 663,507.64 is: 995,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,706.16 : 3,270,029.84 = 663,507.64 : x
  2. Step 2: Convert to fraction form
    2,179,706.16/3,270,029.84 = 663,507.64/x
  3. Step 3: Cross multiply
    2,179,706.16x = 3,270,029.84 × 663,507.64
  4. Step 4: Simplify right side
    2,179,706.16x = 2,169,689,781,867.98
  5. Step 5: Solve for x
    x = 2,169,689,781,867.98/2,179,706.16
  6. Step 6: Final answer
    x = 995,404.71

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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.