Home / 3,858,580.43-5,790,112.67-1,728,664.55

Finding the Fourth Proportional to 3,858,580.43, 5,790,112.67 and 1,728,664.55

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Solution

The fourth proportional to 3,858,580.43, 5,790,112.67 and 1,728,664.55 is: 2,594,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,580.43 : 5,790,112.67 = 1,728,664.55 : x
  2. Step 2: Convert to fraction form
    3,858,580.43/5,790,112.67 = 1,728,664.55/x
  3. Step 3: Cross multiply
    3,858,580.43x = 5,790,112.67 × 1,728,664.55
  4. Step 4: Simplify right side
    3,858,580.43x = 10,009,162,542,788.25
  5. Step 5: Solve for x
    x = 10,009,162,542,788.25/3,858,580.43
  6. Step 6: Final answer
    x = 2,594,001.27

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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.