Home / 2,177,760.88-3,267,390.24-1,279,953.76

Finding the Fourth Proportional to 2,177,760.88, 3,267,390.24 and 1,279,953.76

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Solution

The fourth proportional to 2,177,760.88, 3,267,390.24 and 1,279,953.76 is: 1,920,370.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,760.88 : 3,267,390.24 = 1,279,953.76 : x
  2. Step 2: Convert to fraction form
    2,177,760.88/3,267,390.24 = 1,279,953.76/x
  3. Step 3: Cross multiply
    2,177,760.88x = 3,267,390.24 × 1,279,953.76
  4. Step 4: Simplify right side
    2,177,760.88x = 4,182,108,423,075.30
  5. Step 5: Solve for x
    x = 4,182,108,423,075.30/2,177,760.88
  6. Step 6: Final answer
    x = 1,920,370.81

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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.