Home / 2,135,066.40-3,198,711.60-1,010,656.80

Finding the Fourth Proportional to 2,135,066.40, 3,198,711.60 and 1,010,656.80

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Solution

The fourth proportional to 2,135,066.40, 3,198,711.60 and 1,010,656.80 is: 1,514,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,066.40 : 3,198,711.60 = 1,010,656.80 : x
  2. Step 2: Convert to fraction form
    2,135,066.40/3,198,711.60 = 1,010,656.80/x
  3. Step 3: Cross multiply
    2,135,066.40x = 3,198,711.60 × 1,010,656.80
  4. Step 4: Simplify right side
    2,135,066.40x = 3,232,799,629,778.88
  5. Step 5: Solve for x
    x = 3,232,799,629,778.88/2,135,066.40
  6. Step 6: Final answer
    x = 1,514,144.77

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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.