Home / 3,853,085.09-5,317,190.91-2,134,168.70

Finding the Fourth Proportional to 3,853,085.09, 5,317,190.91 and 2,134,168.70

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Solution

The fourth proportional to 3,853,085.09, 5,317,190.91 and 2,134,168.70 is: 2,945,115.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,085.09 : 5,317,190.91 = 2,134,168.70 : x
  2. Step 2: Convert to fraction form
    3,853,085.09/5,317,190.91 = 2,134,168.70/x
  3. Step 3: Cross multiply
    3,853,085.09x = 5,317,190.91 × 2,134,168.70
  4. Step 4: Simplify right side
    3,853,085.09x = 11,347,782,385,460.56
  5. Step 5: Solve for x
    x = 11,347,782,385,460.56/3,853,085.09
  6. Step 6: Final answer
    x = 2,945,115.96

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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.