Home / 3,058,333.65-4,220,608.68-1,681,781.72

Finding the Fourth Proportional to 3,058,333.65, 4,220,608.68 and 1,681,781.72

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Solution

The fourth proportional to 3,058,333.65, 4,220,608.68 and 1,681,781.72 is: 2,320,918.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058,333.65 : 4,220,608.68 = 1,681,781.72 : x
  2. Step 2: Convert to fraction form
    3,058,333.65/4,220,608.68 = 1,681,781.72/x
  3. Step 3: Cross multiply
    3,058,333.65x = 4,220,608.68 × 1,681,781.72
  4. Step 4: Simplify right side
    3,058,333.65x = 7,098,142,504,194.29
  5. Step 5: Solve for x
    x = 7,098,142,504,194.29/3,058,333.65
  6. Step 6: Final answer
    x = 2,320,918.29

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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.