Home / 2,821,300.82-3,894,586.47-1,904,770.97

Finding the Fourth Proportional to 2,821,300.82, 3,894,586.47 and 1,904,770.97

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Solution

The fourth proportional to 2,821,300.82, 3,894,586.47 and 1,904,770.97 is: 2,629,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,300.82 : 3,894,586.47 = 1,904,770.97 : x
  2. Step 2: Convert to fraction form
    2,821,300.82/3,894,586.47 = 1,904,770.97/x
  3. Step 3: Cross multiply
    2,821,300.82x = 3,894,586.47 × 1,904,770.97
  4. Step 4: Simplify right side
    2,821,300.82x = 7,418,295,228,737.85
  5. Step 5: Solve for x
    x = 7,418,295,228,737.85/2,821,300.82
  6. Step 6: Final answer
    x = 2,629,388.26

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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.