Home / 1,653,540.82-2,281,809.21-918,542.73

Finding the Fourth Proportional to 1,653,540.82, 2,281,809.21 and 918,542.73

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Solution

The fourth proportional to 1,653,540.82, 2,281,809.21 and 918,542.73 is: 1,267,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,540.82 : 2,281,809.21 = 918,542.73 : x
  2. Step 2: Convert to fraction form
    1,653,540.82/2,281,809.21 = 918,542.73/x
  3. Step 3: Cross multiply
    1,653,540.82x = 2,281,809.21 × 918,542.73
  4. Step 4: Simplify right side
    1,653,540.82x = 2,095,939,261,092.54
  5. Step 5: Solve for x
    x = 2,095,939,261,092.54/1,653,540.82
  6. Step 6: Final answer
    x = 1,267,546.13

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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.