Home / 2,721,166.20-4,082,339.79-827,858.43

Finding the Fourth Proportional to 2,721,166.20, 4,082,339.79 and 827,858.43

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Solution

The fourth proportional to 2,721,166.20, 4,082,339.79 and 827,858.43 is: 1,241,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,166.20 : 4,082,339.79 = 827,858.43 : x
  2. Step 2: Convert to fraction form
    2,721,166.20/4,082,339.79 = 827,858.43/x
  3. Step 3: Cross multiply
    2,721,166.20x = 4,082,339.79 × 827,858.43
  4. Step 4: Simplify right side
    2,721,166.20x = 3,379,599,409,275.93
  5. Step 5: Solve for x
    x = 3,379,599,409,275.93/2,721,166.20
  6. Step 6: Final answer
    x = 1,241,967.29

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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.