Home / 5,129,718.39-7,079,219.78-2,837,839.59

Finding the Fourth Proportional to 5,129,718.39, 7,079,219.78 and 2,837,839.59

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Solution

The fourth proportional to 5,129,718.39, 7,079,219.78 and 2,837,839.59 is: 3,916,333.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,718.39 : 7,079,219.78 = 2,837,839.59 : x
  2. Step 2: Convert to fraction form
    5,129,718.39/7,079,219.78 = 2,837,839.59/x
  3. Step 3: Cross multiply
    5,129,718.39x = 7,079,219.78 × 2,837,839.59
  4. Step 4: Simplify right side
    5,129,718.39x = 20,089,690,143,805.89
  5. Step 5: Solve for x
    x = 20,089,690,143,805.89/5,129,718.39
  6. Step 6: Final answer
    x = 3,916,333.92

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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.