Home / 2,261,552.40-3,120,906.11-1,242,935.28

Finding the Fourth Proportional to 2,261,552.40, 3,120,906.11 and 1,242,935.28

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Solution

The fourth proportional to 2,261,552.40, 3,120,906.11 and 1,242,935.28 is: 1,715,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,552.40 : 3,120,906.11 = 1,242,935.28 : x
  2. Step 2: Convert to fraction form
    2,261,552.40/3,120,906.11 = 1,242,935.28/x
  3. Step 3: Cross multiply
    2,261,552.40x = 3,120,906.11 × 1,242,935.28
  4. Step 4: Simplify right side
    2,261,552.40x = 3,879,084,303,471.88
  5. Step 5: Solve for x
    x = 3,879,084,303,471.88/2,261,552.40
  6. Step 6: Final answer
    x = 1,715,230.79

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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.