Home / 2,033,982.69-2,806,691.78-1,218,165.47

Finding the Fourth Proportional to 2,033,982.69, 2,806,691.78 and 1,218,165.47

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Solution

The fourth proportional to 2,033,982.69, 2,806,691.78 and 1,218,165.47 is: 1,680,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033,982.69 : 2,806,691.78 = 1,218,165.47 : x
  2. Step 2: Convert to fraction form
    2,033,982.69/2,806,691.78 = 1,218,165.47/x
  3. Step 3: Cross multiply
    2,033,982.69x = 2,806,691.78 × 1,218,165.47
  4. Step 4: Simplify right side
    2,033,982.69x = 3,419,015,011,328.84
  5. Step 5: Solve for x
    x = 3,419,015,011,328.84/2,033,982.69
  6. Step 6: Final answer
    x = 1,680,945.97

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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.