Home / 3,917,636.65-5,406,338.57-2,198,757.17

Finding the Fourth Proportional to 3,917,636.65, 5,406,338.57 and 2,198,757.17

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Solution

The fourth proportional to 3,917,636.65, 5,406,338.57 and 2,198,757.17 is: 3,034,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,636.65 : 5,406,338.57 = 2,198,757.17 : x
  2. Step 2: Convert to fraction form
    3,917,636.65/5,406,338.57 = 2,198,757.17/x
  3. Step 3: Cross multiply
    3,917,636.65x = 5,406,338.57 × 2,198,757.17
  4. Step 4: Simplify right side
    3,917,636.65x = 11,887,225,687,990.80
  5. Step 5: Solve for x
    x = 11,887,225,687,990.80/3,917,636.65
  6. Step 6: Final answer
    x = 3,034,284.89

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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.