Home / 3,479,816.28-4,802,198.72-1,931,178.29

Finding the Fourth Proportional to 3,479,816.28, 4,802,198.72 and 1,931,178.29

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Solution

The fourth proportional to 3,479,816.28, 4,802,198.72 and 1,931,178.29 is: 2,665,055.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,816.28 : 4,802,198.72 = 1,931,178.29 : x
  2. Step 2: Convert to fraction form
    3,479,816.28/4,802,198.72 = 1,931,178.29/x
  3. Step 3: Cross multiply
    3,479,816.28x = 4,802,198.72 × 1,931,178.29
  4. Step 4: Simplify right side
    3,479,816.28x = 9,273,901,928,650.22
  5. Step 5: Solve for x
    x = 9,273,901,928,650.22/3,479,816.28
  6. Step 6: Final answer
    x = 2,665,055.04

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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.