Home / 1,976,901.92-2,728,377.30-1,105,785.02

Finding the Fourth Proportional to 1,976,901.92, 2,728,377.30 and 1,105,785.02

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Solution

The fourth proportional to 1,976,901.92, 2,728,377.30 and 1,105,785.02 is: 1,526,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,901.92 : 2,728,377.30 = 1,105,785.02 : x
  2. Step 2: Convert to fraction form
    1,976,901.92/2,728,377.30 = 1,105,785.02/x
  3. Step 3: Cross multiply
    1,976,901.92x = 2,728,377.30 × 1,105,785.02
  4. Step 4: Simplify right side
    1,976,901.92x = 3,016,998,747,248.05
  5. Step 5: Solve for x
    x = 3,016,998,747,248.05/1,976,901.92
  6. Step 6: Final answer
    x = 1,526,124.65

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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.