Home / 2,678,785.45-3,693,206.26-1,933,085.54

Finding the Fourth Proportional to 2,678,785.45, 3,693,206.26 and 1,933,085.54

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Solution

The fourth proportional to 2,678,785.45, 3,693,206.26 and 1,933,085.54 is: 2,665,119.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,785.45 : 3,693,206.26 = 1,933,085.54 : x
  2. Step 2: Convert to fraction form
    2,678,785.45/3,693,206.26 = 1,933,085.54/x
  3. Step 3: Cross multiply
    2,678,785.45x = 3,693,206.26 × 1,933,085.54
  4. Step 4: Simplify right side
    2,678,785.45x = 7,139,283,629,335.90
  5. Step 5: Solve for x
    x = 7,139,283,629,335.90/2,678,785.45
  6. Step 6: Final answer
    x = 2,665,119.61

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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.