Home / 1,617,387.67-2,231,899.27-892,236.79

Finding the Fourth Proportional to 1,617,387.67, 2,231,899.27 and 892,236.79

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Solution

The fourth proportional to 1,617,387.67, 2,231,899.27 and 892,236.79 is: 1,231,233.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,387.67 : 2,231,899.27 = 892,236.79 : x
  2. Step 2: Convert to fraction form
    1,617,387.67/2,231,899.27 = 892,236.79/x
  3. Step 3: Cross multiply
    1,617,387.67x = 2,231,899.27 × 892,236.79
  4. Step 4: Simplify right side
    1,617,387.67x = 1,991,382,640,268.14
  5. Step 5: Solve for x
    x = 1,991,382,640,268.14/1,617,387.67
  6. Step 6: Final answer
    x = 1,231,233.97

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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.