Home / 3,068,579.31-4,236,453.75-2,728,105.13

Finding the Fourth Proportional to 3,068,579.31, 4,236,453.75 and 2,728,105.13

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Solution

The fourth proportional to 3,068,579.31, 4,236,453.75 and 2,728,105.13 is: 3,766,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068,579.31 : 4,236,453.75 = 2,728,105.13 : x
  2. Step 2: Convert to fraction form
    3,068,579.31/4,236,453.75 = 2,728,105.13/x
  3. Step 3: Cross multiply
    3,068,579.31x = 4,236,453.75 × 2,728,105.13
  4. Step 4: Simplify right side
    3,068,579.31x = 11,557,491,187,200.47
  5. Step 5: Solve for x
    x = 11,557,491,187,200.47/3,068,579.31
  6. Step 6: Final answer
    x = 3,766,398.07

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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.