Home / 3,118,057.36-4,305,890.62-2,948,236.22

Finding the Fourth Proportional to 3,118,057.36, 4,305,890.62 and 2,948,236.22

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Solution

The fourth proportional to 3,118,057.36, 4,305,890.62 and 2,948,236.22 is: 4,071,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,057.36 : 4,305,890.62 = 2,948,236.22 : x
  2. Step 2: Convert to fraction form
    3,118,057.36/4,305,890.62 = 2,948,236.22/x
  3. Step 3: Cross multiply
    3,118,057.36x = 4,305,890.62 × 2,948,236.22
  4. Step 4: Simplify right side
    3,118,057.36x = 12,694,782,685,242.26
  5. Step 5: Solve for x
    x = 12,694,782,685,242.26/3,118,057.36
  6. Step 6: Final answer
    x = 4,071,375.61

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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.