Home / 1,976,139.20-2,726,945.43-1,105,045.65

Finding the Fourth Proportional to 1,976,139.20, 2,726,945.43 and 1,105,045.65

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Solution

The fourth proportional to 1,976,139.20, 2,726,945.43 and 1,105,045.65 is: 1,524,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,139.20 : 2,726,945.43 = 1,105,045.65 : x
  2. Step 2: Convert to fraction form
    1,976,139.20/2,726,945.43 = 1,105,045.65/x
  3. Step 3: Cross multiply
    1,976,139.20x = 2,726,945.43 × 1,105,045.65
  4. Step 4: Simplify right side
    1,976,139.20x = 3,013,399,185,208.88
  5. Step 5: Solve for x
    x = 3,013,399,185,208.88/1,976,139.20
  6. Step 6: Final answer
    x = 1,524,892.17

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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.