Home / 1,939,134-2,676,475.92-1,123,205.61

Finding the Fourth Proportional to 1,939,134, 2,676,475.92 and 1,123,205.61

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Solution

The fourth proportional to 1,939,134, 2,676,475.92 and 1,123,205.61 is: 1,550,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,134 : 2,676,475.92 = 1,123,205.61 : x
  2. Step 2: Convert to fraction form
    1,939,134/2,676,475.92 = 1,123,205.61/x
  3. Step 3: Cross multiply
    1,939,134x = 2,676,475.92 × 1,123,205.61
  4. Step 4: Simplify right side
    1,939,134x = 3,006,232,768,373.91
  5. Step 5: Solve for x
    x = 3,006,232,768,373.91/1,939,134
  6. Step 6: Final answer
    x = 1,550,296.56

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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.