Home / 2,412,812.78-3,330,974.34-1,860,321.80

Finding the Fourth Proportional to 2,412,812.78, 3,330,974.34 and 1,860,321.80

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Solution

The fourth proportional to 2,412,812.78, 3,330,974.34 and 1,860,321.80 is: 2,568,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412,812.78 : 3,330,974.34 = 1,860,321.80 : x
  2. Step 2: Convert to fraction form
    2,412,812.78/3,330,974.34 = 1,860,321.80/x
  3. Step 3: Cross multiply
    2,412,812.78x = 3,330,974.34 × 1,860,321.80
  4. Step 4: Simplify right side
    2,412,812.78x = 6,196,684,179,942.61
  5. Step 5: Solve for x
    x = 6,196,684,179,942.61/2,412,812.78
  6. Step 6: Final answer
    x = 2,568,240.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.