Home / 3,138,110.27-4,330,245.66-1,761,138.16

Finding the Fourth Proportional to 3,138,110.27, 4,330,245.66 and 1,761,138.16

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Solution

The fourth proportional to 3,138,110.27, 4,330,245.66 and 1,761,138.16 is: 2,430,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,110.27 : 4,330,245.66 = 1,761,138.16 : x
  2. Step 2: Convert to fraction form
    3,138,110.27/4,330,245.66 = 1,761,138.16/x
  3. Step 3: Cross multiply
    3,138,110.27x = 4,330,245.66 × 1,761,138.16
  4. Step 4: Simplify right side
    3,138,110.27x = 7,626,160,874,000.39
  5. Step 5: Solve for x
    x = 7,626,160,874,000.39/3,138,110.27
  6. Step 6: Final answer
    x = 2,430,176.19

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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.