Home / 2,154,198.58-3,231,379.86-806,219.26

Finding the Fourth Proportional to 2,154,198.58, 3,231,379.86 and 806,219.26

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Solution

The fourth proportional to 2,154,198.58, 3,231,379.86 and 806,219.26 is: 1,209,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,198.58 : 3,231,379.86 = 806,219.26 : x
  2. Step 2: Convert to fraction form
    2,154,198.58/3,231,379.86 = 806,219.26/x
  3. Step 3: Cross multiply
    2,154,198.58x = 3,231,379.86 × 806,219.26
  4. Step 4: Simplify right side
    2,154,198.58x = 2,605,200,679,508.10
  5. Step 5: Solve for x
    x = 2,605,200,679,508.10/2,154,198.58
  6. Step 6: Final answer
    x = 1,209,359.58

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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.