Home / 2,981,296.91-4,116,747.30-2,884,890.21

Finding the Fourth Proportional to 2,981,296.91, 4,116,747.30 and 2,884,890.21

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Solution

The fourth proportional to 2,981,296.91, 4,116,747.30 and 2,884,890.21 is: 3,983,623.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,296.91 : 4,116,747.30 = 2,884,890.21 : x
  2. Step 2: Convert to fraction form
    2,981,296.91/4,116,747.30 = 2,884,890.21/x
  3. Step 3: Cross multiply
    2,981,296.91x = 4,116,747.30 × 2,884,890.21
  4. Step 4: Simplify right side
    2,981,296.91x = 11,876,363,982,813.93
  5. Step 5: Solve for x
    x = 11,876,363,982,813.93/2,981,296.91
  6. Step 6: Final answer
    x = 3,983,623.35

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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.