Home / 2,279,879.34-3,146,326.11-1,261,266.54

Finding the Fourth Proportional to 2,279,879.34, 3,146,326.11 and 1,261,266.54

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Solution

The fourth proportional to 2,279,879.34, 3,146,326.11 and 1,261,266.54 is: 1,740,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,879.34 : 3,146,326.11 = 1,261,266.54 : x
  2. Step 2: Convert to fraction form
    2,279,879.34/3,146,326.11 = 1,261,266.54/x
  3. Step 3: Cross multiply
    2,279,879.34x = 3,146,326.11 × 1,261,266.54
  4. Step 4: Simplify right side
    2,279,879.34x = 3,968,355,846,471.36
  5. Step 5: Solve for x
    x = 3,968,355,846,471.36/2,279,879.34
  6. Step 6: Final answer
    x = 1,740,599.06

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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.