Home / 3,990,671.70-5,986,007.55-1,468,137.30

Finding the Fourth Proportional to 3,990,671.70, 5,986,007.55 and 1,468,137.30

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Solution

The fourth proportional to 3,990,671.70, 5,986,007.55 and 1,468,137.30 is: 2,202,205.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,671.70 : 5,986,007.55 = 1,468,137.30 : x
  2. Step 2: Convert to fraction form
    3,990,671.70/5,986,007.55 = 1,468,137.30/x
  3. Step 3: Cross multiply
    3,990,671.70x = 5,986,007.55 × 1,468,137.30
  4. Step 4: Simplify right side
    3,990,671.70x = 8,788,280,962,236.62
  5. Step 5: Solve for x
    x = 8,788,280,962,236.62/3,990,671.70
  6. Step 6: Final answer
    x = 2,202,205.95

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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.