Home / 3,187,736.92-4,399,078.58-1,811,083.02

Finding the Fourth Proportional to 3,187,736.92, 4,399,078.58 and 1,811,083.02

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Solution

The fourth proportional to 3,187,736.92, 4,399,078.58 and 1,811,083.02 is: 2,499,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,736.92 : 4,399,078.58 = 1,811,083.02 : x
  2. Step 2: Convert to fraction form
    3,187,736.92/4,399,078.58 = 1,811,083.02/x
  3. Step 3: Cross multiply
    3,187,736.92x = 4,399,078.58 × 1,811,083.02
  4. Step 4: Simplify right side
    3,187,736.92x = 7,967,096,488,832.90
  5. Step 5: Solve for x
    x = 7,967,096,488,832.90/3,187,736.92
  6. Step 6: Final answer
    x = 2,499,295.48

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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.