Home / 2,868,791.77-3,959,019.72-1,579,678.33

Finding the Fourth Proportional to 2,868,791.77, 3,959,019.72 and 1,579,678.33

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Solution

The fourth proportional to 2,868,791.77, 3,959,019.72 and 1,579,678.33 is: 2,180,004.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868,791.77 : 3,959,019.72 = 1,579,678.33 : x
  2. Step 2: Convert to fraction form
    2,868,791.77/3,959,019.72 = 1,579,678.33/x
  3. Step 3: Cross multiply
    2,868,791.77x = 3,959,019.72 × 1,579,678.33
  4. Step 4: Simplify right side
    2,868,791.77x = 6,253,977,659,726.67
  5. Step 5: Solve for x
    x = 6,253,977,659,726.67/2,868,791.77
  6. Step 6: Final answer
    x = 2,180,004.04

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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.