Home / 2,799,186.21-4,198,751.78-1,282,438.94

Finding the Fourth Proportional to 2,799,186.21, 4,198,751.78 and 1,282,438.94

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Solution

The fourth proportional to 2,799,186.21, 4,198,751.78 and 1,282,438.94 is: 1,923,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,186.21 : 4,198,751.78 = 1,282,438.94 : x
  2. Step 2: Convert to fraction form
    2,799,186.21/4,198,751.78 = 1,282,438.94/x
  3. Step 3: Cross multiply
    2,799,186.21x = 4,198,751.78 × 1,282,438.94
  4. Step 4: Simplify right side
    2,799,186.21x = 5,384,642,754,660.36
  5. Step 5: Solve for x
    x = 5,384,642,754,660.36/2,799,186.21
  6. Step 6: Final answer
    x = 1,923,645.79

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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.