Home / 2,799,220.50-4,198,497.39-1,647,155.70

Finding the Fourth Proportional to 2,799,220.50, 4,198,497.39 and 1,647,155.70

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Solution

The fourth proportional to 2,799,220.50, 4,198,497.39 and 1,647,155.70 is: 2,470,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,220.50 : 4,198,497.39 = 1,647,155.70 : x
  2. Step 2: Convert to fraction form
    2,799,220.50/4,198,497.39 = 1,647,155.70/x
  3. Step 3: Cross multiply
    2,799,220.50x = 4,198,497.39 × 1,647,155.70
  4. Step 4: Simplify right side
    2,799,220.50x = 6,915,578,907,373.62
  5. Step 5: Solve for x
    x = 6,915,578,907,373.62/2,799,220.50
  6. Step 6: Final answer
    x = 2,470,537.39

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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.