Home / 2,091,879.68-3,139,500.77-1,081,297.65

Finding the Fourth Proportional to 2,091,879.68, 3,139,500.77 and 1,081,297.65

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Solution

The fourth proportional to 2,091,879.68, 3,139,500.77 and 1,081,297.65 is: 1,622,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,879.68 : 3,139,500.77 = 1,081,297.65 : x
  2. Step 2: Convert to fraction form
    2,091,879.68/3,139,500.77 = 1,081,297.65/x
  3. Step 3: Cross multiply
    2,091,879.68x = 3,139,500.77 × 1,081,297.65
  4. Step 4: Simplify right side
    2,091,879.68x = 3,394,734,799,367.70
  5. Step 5: Solve for x
    x = 3,394,734,799,367.70/2,091,879.68
  6. Step 6: Final answer
    x = 1,622,815.52

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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.