Home / 2,179,991.67-3,270,479.57-663,810.18

Finding the Fourth Proportional to 2,179,991.67, 3,270,479.57 and 663,810.18

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Solution

The fourth proportional to 2,179,991.67, 3,270,479.57 and 663,810.18 is: 995,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,991.67 : 3,270,479.57 = 663,810.18 : x
  2. Step 2: Convert to fraction form
    2,179,991.67/3,270,479.57 = 663,810.18/x
  3. Step 3: Cross multiply
    2,179,991.67x = 3,270,479.57 × 663,810.18
  4. Step 4: Simplify right side
    2,179,991.67x = 2,170,977,632,048.02
  5. Step 5: Solve for x
    x = 2,170,977,632,048.02/2,179,991.67
  6. Step 6: Final answer
    x = 995,865.10

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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.