Home / 1,811,736.90-2,500,142.49-995,939.46

Finding the Fourth Proportional to 1,811,736.90, 2,500,142.49 and 995,939.46

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Solution

The fourth proportional to 1,811,736.90, 2,500,142.49 and 995,939.46 is: 1,374,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,736.90 : 2,500,142.49 = 995,939.46 : x
  2. Step 2: Convert to fraction form
    1,811,736.90/2,500,142.49 = 995,939.46/x
  3. Step 3: Cross multiply
    1,811,736.90x = 2,500,142.49 × 995,939.46
  4. Step 4: Simplify right side
    1,811,736.90x = 2,489,990,561,413.66
  5. Step 5: Solve for x
    x = 2,489,990,561,413.66/1,811,736.90
  6. Step 6: Final answer
    x = 1,374,366.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.