Home / 3,912,087.20-5,860,257.60-2,636,628.80

Finding the Fourth Proportional to 3,912,087.20, 5,860,257.60 and 2,636,628.80

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Solution

The fourth proportional to 3,912,087.20, 5,860,257.60 and 2,636,628.80 is: 3,949,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,087.20 : 5,860,257.60 = 2,636,628.80 : x
  2. Step 2: Convert to fraction form
    3,912,087.20/5,860,257.60 = 2,636,628.80/x
  3. Step 3: Cross multiply
    3,912,087.20x = 5,860,257.60 × 2,636,628.80
  4. Step 4: Simplify right side
    3,912,087.20x = 15,451,323,963,578.88
  5. Step 5: Solve for x
    x = 15,451,323,963,578.88/3,912,087.20
  6. Step 6: Final answer
    x = 3,949,636.90

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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.