Home / 1,876,608.06-2,589,995.82-1,188,342.75

Finding the Fourth Proportional to 1,876,608.06, 2,589,995.82 and 1,188,342.75

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Solution

The fourth proportional to 1,876,608.06, 2,589,995.82 and 1,188,342.75 is: 1,640,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,608.06 : 2,589,995.82 = 1,188,342.75 : x
  2. Step 2: Convert to fraction form
    1,876,608.06/2,589,995.82 = 1,188,342.75/x
  3. Step 3: Cross multiply
    1,876,608.06x = 2,589,995.82 × 1,188,342.75
  4. Step 4: Simplify right side
    1,876,608.06x = 3,077,802,755,227.31
  5. Step 5: Solve for x
    x = 3,077,802,755,227.31/1,876,608.06
  6. Step 6: Final answer
    x = 1,640,088.21

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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.