Home / 1,942,375.46-2,680,674.10-1,126,828.58

Finding the Fourth Proportional to 1,942,375.46, 2,680,674.10 and 1,126,828.58

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Solution

The fourth proportional to 1,942,375.46, 2,680,674.10 and 1,126,828.58 is: 1,555,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,375.46 : 2,680,674.10 = 1,126,828.58 : x
  2. Step 2: Convert to fraction form
    1,942,375.46/2,680,674.10 = 1,126,828.58/x
  3. Step 3: Cross multiply
    1,942,375.46x = 2,680,674.10 × 1,126,828.58
  4. Step 4: Simplify right side
    1,942,375.46x = 3,020,660,189,545.78
  5. Step 5: Solve for x
    x = 3,020,660,189,545.78/1,942,375.46
  6. Step 6: Final answer
    x = 1,555,137.13

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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.