Home / 3,979,431.68-5,491,840.08-3,010,880.40

Finding the Fourth Proportional to 3,979,431.68, 5,491,840.08 and 3,010,880.40

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Solution

The fourth proportional to 3,979,431.68, 5,491,840.08 and 3,010,880.40 is: 4,155,184.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,431.68 : 5,491,840.08 = 3,010,880.40 : x
  2. Step 2: Convert to fraction form
    3,979,431.68/5,491,840.08 = 3,010,880.40/x
  3. Step 3: Cross multiply
    3,979,431.68x = 5,491,840.08 × 3,010,880.40
  4. Step 4: Simplify right side
    3,979,431.68x = 16,535,273,656,806.43
  5. Step 5: Solve for x
    x = 16,535,273,656,806.43/3,979,431.68
  6. Step 6: Final answer
    x = 4,155,184.71

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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.