Home / 5,470,578.45-8,198,532.68-4,257,619.76

Finding the Fourth Proportional to 5,470,578.45, 8,198,532.68 and 4,257,619.76

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Solution

The fourth proportional to 5,470,578.45, 8,198,532.68 and 4,257,619.76 is: 6,380,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470,578.45 : 8,198,532.68 = 4,257,619.76 : x
  2. Step 2: Convert to fraction form
    5,470,578.45/8,198,532.68 = 4,257,619.76/x
  3. Step 3: Cross multiply
    5,470,578.45x = 8,198,532.68 × 4,257,619.76
  4. Step 4: Simplify right side
    5,470,578.45x = 34,906,234,679,092.99
  5. Step 5: Solve for x
    x = 34,906,234,679,092.99/5,470,578.45
  6. Step 6: Final answer
    x = 6,380,720.98

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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.