Home / 2,165,871.52-2,988,805.79-1,198,933.48

Finding the Fourth Proportional to 2,165,871.52, 2,988,805.79 and 1,198,933.48

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Solution

The fourth proportional to 2,165,871.52, 2,988,805.79 and 1,198,933.48 is: 1,654,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,871.52 : 2,988,805.79 = 1,198,933.48 : x
  2. Step 2: Convert to fraction form
    2,165,871.52/2,988,805.79 = 1,198,933.48/x
  3. Step 3: Cross multiply
    2,165,871.52x = 2,988,805.79 × 1,198,933.48
  4. Step 4: Simplify right side
    2,165,871.52x = 3,583,379,326,848.85
  5. Step 5: Solve for x
    x = 3,583,379,326,848.85/2,165,871.52
  6. Step 6: Final answer
    x = 1,654,474.56

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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.