Home / 2,164,885.92-2,987,548.38-1,198,082.88

Finding the Fourth Proportional to 2,164,885.92, 2,987,548.38 and 1,198,082.88

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Solution

The fourth proportional to 2,164,885.92, 2,987,548.38 and 1,198,082.88 is: 1,653,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,885.92 : 2,987,548.38 = 1,198,082.88 : x
  2. Step 2: Convert to fraction form
    2,164,885.92/2,987,548.38 = 1,198,082.88/x
  3. Step 3: Cross multiply
    2,164,885.92x = 2,987,548.38 × 1,198,082.88
  4. Step 4: Simplify right side
    2,164,885.92x = 3,579,330,567,249.73
  5. Step 5: Solve for x
    x = 3,579,330,567,249.73/2,164,885.92
  6. Step 6: Final answer
    x = 1,653,357.59

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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.