Home / 1,961,552.12-2,707,168.72-1,145,959.68

Finding the Fourth Proportional to 1,961,552.12, 2,707,168.72 and 1,145,959.68

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Solution

The fourth proportional to 1,961,552.12, 2,707,168.72 and 1,145,959.68 is: 1,581,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,552.12 : 2,707,168.72 = 1,145,959.68 : x
  2. Step 2: Convert to fraction form
    1,961,552.12/2,707,168.72 = 1,145,959.68/x
  3. Step 3: Cross multiply
    1,961,552.12x = 2,707,168.72 × 1,145,959.68
  4. Step 4: Simplify right side
    1,961,552.12x = 3,102,306,200,077.21
  5. Step 5: Solve for x
    x = 3,102,306,200,077.21/1,961,552.12
  6. Step 6: Final answer
    x = 1,581,556.85

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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.