Home / 1,815,183.27-2,722,790.49-518,332.29

Finding the Fourth Proportional to 1,815,183.27, 2,722,790.49 and 518,332.29

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Solution

The fourth proportional to 1,815,183.27, 2,722,790.49 and 518,332.29 is: 777,502.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,183.27 : 2,722,790.49 = 518,332.29 : x
  2. Step 2: Convert to fraction form
    1,815,183.27/2,722,790.49 = 518,332.29/x
  3. Step 3: Cross multiply
    1,815,183.27x = 2,722,790.49 × 518,332.29
  4. Step 4: Simplify right side
    1,815,183.27x = 1,411,310,229,871.92
  5. Step 5: Solve for x
    x = 1,411,310,229,871.92/1,815,183.27
  6. Step 6: Final answer
    x = 777,502.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.