Home / 2,198,791.60-3,298,187.40-1,700,513.20

Finding the Fourth Proportional to 2,198,791.60, 3,298,187.40 and 1,700,513.20

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Solution

The fourth proportional to 2,198,791.60, 3,298,187.40 and 1,700,513.20 is: 2,550,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,791.60 : 3,298,187.40 = 1,700,513.20 : x
  2. Step 2: Convert to fraction form
    2,198,791.60/3,298,187.40 = 1,700,513.20/x
  3. Step 3: Cross multiply
    2,198,791.60x = 3,298,187.40 × 1,700,513.20
  4. Step 4: Simplify right side
    2,198,791.60x = 5,608,611,209,773.68
  5. Step 5: Solve for x
    x = 5,608,611,209,773.68/2,198,791.60
  6. Step 6: Final answer
    x = 2,550,769.80

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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.