Home / 2,856,382.62-4,284,555.42-726,448.35

Finding the Fourth Proportional to 2,856,382.62, 4,284,555.42 and 726,448.35

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Solution

The fourth proportional to 2,856,382.62, 4,284,555.42 and 726,448.35 is: 1,089,667.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,382.62 : 4,284,555.42 = 726,448.35 : x
  2. Step 2: Convert to fraction form
    2,856,382.62/4,284,555.42 = 726,448.35/x
  3. Step 3: Cross multiply
    2,856,382.62x = 4,284,555.42 × 726,448.35
  4. Step 4: Simplify right side
    2,856,382.62x = 3,112,508,215,342.56
  5. Step 5: Solve for x
    x = 3,112,508,215,342.56/2,856,382.62
  6. Step 6: Final answer
    x = 1,089,667.82

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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.