Home / 3,822,321.78-5,274,804.87-2,103,442.26

Finding the Fourth Proportional to 3,822,321.78, 5,274,804.87 and 2,103,442.26

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Solution

The fourth proportional to 3,822,321.78, 5,274,804.87 and 2,103,442.26 is: 2,902,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822,321.78 : 5,274,804.87 = 2,103,442.26 : x
  2. Step 2: Convert to fraction form
    3,822,321.78/5,274,804.87 = 2,103,442.26/x
  3. Step 3: Cross multiply
    3,822,321.78x = 5,274,804.87 × 2,103,442.26
  4. Step 4: Simplify right side
    3,822,321.78x = 11,095,247,476,811.80
  5. Step 5: Solve for x
    x = 11,095,247,476,811.80/3,822,321.78
  6. Step 6: Final answer
    x = 2,902,750.77

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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.