Home / 3,769,019.42-5,202,170.53-2,138,381.24

Finding the Fourth Proportional to 3,769,019.42, 5,202,170.53 and 2,138,381.24

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Solution

The fourth proportional to 3,769,019.42, 5,202,170.53 and 2,138,381.24 is: 2,951,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769,019.42 : 5,202,170.53 = 2,138,381.24 : x
  2. Step 2: Convert to fraction form
    3,769,019.42/5,202,170.53 = 2,138,381.24/x
  3. Step 3: Cross multiply
    3,769,019.42x = 5,202,170.53 × 2,138,381.24
  4. Step 4: Simplify right side
    3,769,019.42x = 11,124,223,837,276.05
  5. Step 5: Solve for x
    x = 11,124,223,837,276.05/3,769,019.42
  6. Step 6: Final answer
    x = 2,951,490.19

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Double scale
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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.