Home / 3,919,919.42-5,409,642.33-2,682,126.19

Finding the Fourth Proportional to 3,919,919.42, 5,409,642.33 and 2,682,126.19

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Solution

The fourth proportional to 3,919,919.42, 5,409,642.33 and 2,682,126.19 is: 3,701,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,919.42 : 5,409,642.33 = 2,682,126.19 : x
  2. Step 2: Convert to fraction form
    3,919,919.42/5,409,642.33 = 2,682,126.19/x
  3. Step 3: Cross multiply
    3,919,919.42x = 5,409,642.33 × 2,682,126.19
  4. Step 4: Simplify right side
    3,919,919.42x = 14,509,343,331,366.78
  5. Step 5: Solve for x
    x = 14,509,343,331,366.78/3,919,919.42
  6. Step 6: Final answer
    x = 3,701,439.19

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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.