Home / 3,101,465.75-4,651,585.25-2,947,665.78

Finding the Fourth Proportional to 3,101,465.75, 4,651,585.25 and 2,947,665.78

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Solution

The fourth proportional to 3,101,465.75, 4,651,585.25 and 2,947,665.78 is: 4,420,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,465.75 : 4,651,585.25 = 2,947,665.78 : x
  2. Step 2: Convert to fraction form
    3,101,465.75/4,651,585.25 = 2,947,665.78/x
  3. Step 3: Cross multiply
    3,101,465.75x = 4,651,585.25 × 2,947,665.78
  4. Step 4: Simplify right side
    3,101,465.75x = 13,711,318,649,439.42
  5. Step 5: Solve for x
    x = 13,711,318,649,439.42/3,101,465.75
  6. Step 6: Final answer
    x = 4,420,915.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.