Home / 3,862,913.24-5,330,781.78-2,143,989.56

Finding the Fourth Proportional to 3,862,913.24, 5,330,781.78 and 2,143,989.56

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Solution

The fourth proportional to 3,862,913.24, 5,330,781.78 and 2,143,989.56 is: 2,958,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,913.24 : 5,330,781.78 = 2,143,989.56 : x
  2. Step 2: Convert to fraction form
    3,862,913.24/5,330,781.78 = 2,143,989.56/x
  3. Step 3: Cross multiply
    3,862,913.24x = 5,330,781.78 × 2,143,989.56
  4. Step 4: Simplify right side
    3,862,913.24x = 11,429,140,482,958.22
  5. Step 5: Solve for x
    x = 11,429,140,482,958.22/3,862,913.24
  6. Step 6: Final answer
    x = 2,958,684.23

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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.