Home / 2,218,481.91-3,328,090.92-778,792.11

Finding the Fourth Proportional to 2,218,481.91, 3,328,090.92 and 778,792.11

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Solution

The fourth proportional to 2,218,481.91, 3,328,090.92 and 778,792.11 is: 1,168,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,481.91 : 3,328,090.92 = 778,792.11 : x
  2. Step 2: Convert to fraction form
    2,218,481.91/3,328,090.92 = 778,792.11/x
  3. Step 3: Cross multiply
    2,218,481.91x = 3,328,090.92 × 778,792.11
  4. Step 4: Simplify right side
    2,218,481.91x = 2,591,890,949,858.64
  5. Step 5: Solve for x
    x = 2,591,890,949,858.64/2,218,481.91
  6. Step 6: Final answer
    x = 1,168,317.37

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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.