Home / 2,852,998.69-3,930,521.19-1,992,195.49

Finding the Fourth Proportional to 2,852,998.69, 3,930,521.19 and 1,992,195.49

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Solution

The fourth proportional to 2,852,998.69, 3,930,521.19 and 1,992,195.49 is: 2,744,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852,998.69 : 3,930,521.19 = 1,992,195.49 : x
  2. Step 2: Convert to fraction form
    2,852,998.69/3,930,521.19 = 1,992,195.49/x
  3. Step 3: Cross multiply
    2,852,998.69x = 3,930,521.19 × 1,992,195.49
  4. Step 4: Simplify right side
    2,852,998.69x = 7,830,366,588,067.43
  5. Step 5: Solve for x
    x = 7,830,366,588,067.43/2,852,998.69
  6. Step 6: Final answer
    x = 2,744,609.25

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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.