Home / 3,689,679.43-5,091,884.24-2,140,824.16

Finding the Fourth Proportional to 3,689,679.43, 5,091,884.24 and 2,140,824.16

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Solution

The fourth proportional to 3,689,679.43, 5,091,884.24 and 2,140,824.16 is: 2,954,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,679.43 : 5,091,884.24 = 2,140,824.16 : x
  2. Step 2: Convert to fraction form
    3,689,679.43/5,091,884.24 = 2,140,824.16/x
  3. Step 3: Cross multiply
    3,689,679.43x = 5,091,884.24 × 2,140,824.16
  4. Step 4: Simplify right side
    3,689,679.43x = 10,900,828,800,915.24
  5. Step 5: Solve for x
    x = 10,900,828,800,915.24/3,689,679.43
  6. Step 6: Final answer
    x = 2,954,410.81

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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.