Home / 1,942,661.76-2,682,565.20-1,218,753.96

Finding the Fourth Proportional to 1,942,661.76, 2,682,565.20 and 1,218,753.96

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Solution

The fourth proportional to 1,942,661.76, 2,682,565.20 and 1,218,753.96 is: 1,682,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,661.76 : 2,682,565.20 = 1,218,753.96 : x
  2. Step 2: Convert to fraction form
    1,942,661.76/2,682,565.20 = 1,218,753.96/x
  3. Step 3: Cross multiply
    1,942,661.76x = 2,682,565.20 × 1,218,753.96
  4. Step 4: Simplify right side
    1,942,661.76x = 3,269,386,960,458.19
  5. Step 5: Solve for x
    x = 3,269,386,960,458.19/1,942,661.76
  6. Step 6: Final answer
    x = 1,682,941.94

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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.