Home / 2,147,262.82-3,220,810.09-727,318.85

Finding the Fourth Proportional to 2,147,262.82, 3,220,810.09 and 727,318.85

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Solution

The fourth proportional to 2,147,262.82, 3,220,810.09 and 727,318.85 is: 1,090,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,262.82 : 3,220,810.09 = 727,318.85 : x
  2. Step 2: Convert to fraction form
    2,147,262.82/3,220,810.09 = 727,318.85/x
  3. Step 3: Cross multiply
    2,147,262.82x = 3,220,810.09 × 727,318.85
  4. Step 4: Simplify right side
    2,147,262.82x = 2,342,555,872,804.85
  5. Step 5: Solve for x
    x = 2,342,555,872,804.85/2,147,262.82
  6. Step 6: Final answer
    x = 1,090,949.77

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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.