Home / 2,876,042.68-3,970,376.96-1,788,664.48

Finding the Fourth Proportional to 2,876,042.68, 3,970,376.96 and 1,788,664.48

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Solution

The fourth proportional to 2,876,042.68, 3,970,376.96 and 1,788,664.48 is: 2,469,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,042.68 : 3,970,376.96 = 1,788,664.48 : x
  2. Step 2: Convert to fraction form
    2,876,042.68/3,970,376.96 = 1,788,664.48/x
  3. Step 3: Cross multiply
    2,876,042.68x = 3,970,376.96 × 1,788,664.48
  4. Step 4: Simplify right side
    2,876,042.68x = 7,101,672,240,562.38
  5. Step 5: Solve for x
    x = 7,101,672,240,562.38/2,876,042.68
  6. Step 6: Final answer
    x = 2,469,251.34

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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.