Home / 2,179,698.16-3,270,017.82-663,499.64

Finding the Fourth Proportional to 2,179,698.16, 3,270,017.82 and 663,499.64

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Solution

The fourth proportional to 2,179,698.16, 3,270,017.82 and 663,499.64 is: 995,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,698.16 : 3,270,017.82 = 663,499.64 : x
  2. Step 2: Convert to fraction form
    2,179,698.16/3,270,017.82 = 663,499.64/x
  3. Step 3: Cross multiply
    2,179,698.16x = 3,270,017.82 × 663,499.64
  4. Step 4: Simplify right side
    2,179,698.16x = 2,169,655,646,363.58
  5. Step 5: Solve for x
    x = 2,169,655,646,363.58/2,179,698.16
  6. Step 6: Final answer
    x = 995,392.70

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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.