Home / 3,468,860.10-4,786,455.78-2,178,781.56

Finding the Fourth Proportional to 3,468,860.10, 4,786,455.78 and 2,178,781.56

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Solution

The fourth proportional to 3,468,860.10, 4,786,455.78 and 2,178,781.56 is: 3,006,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,860.10 : 4,786,455.78 = 2,178,781.56 : x
  2. Step 2: Convert to fraction form
    3,468,860.10/4,786,455.78 = 2,178,781.56/x
  3. Step 3: Cross multiply
    3,468,860.10x = 4,786,455.78 × 2,178,781.56
  4. Step 4: Simplify right side
    3,468,860.10x = 10,428,641,591,219.42
  5. Step 5: Solve for x
    x = 10,428,641,591,219.42/3,468,860.10
  6. Step 6: Final answer
    x = 3,006,359.81

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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.