Home / 2,209,658.91-3,049,299.24-1,242,788.94

Finding the Fourth Proportional to 2,209,658.91, 3,049,299.24 and 1,242,788.94

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Solution

The fourth proportional to 2,209,658.91, 3,049,299.24 and 1,242,788.94 is: 1,715,031.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,658.91 : 3,049,299.24 = 1,242,788.94 : x
  2. Step 2: Convert to fraction form
    2,209,658.91/3,049,299.24 = 1,242,788.94/x
  3. Step 3: Cross multiply
    2,209,658.91x = 3,049,299.24 × 1,242,788.94
  4. Step 4: Simplify right side
    2,209,658.91x = 3,789,635,370,222.41
  5. Step 5: Solve for x
    x = 3,789,635,370,222.41/2,209,658.91
  6. Step 6: Final answer
    x = 1,715,031.83

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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.