Home / 3,121,279.14-4,649,005.70-2,981,234.14

Finding the Fourth Proportional to 3,121,279.14, 4,649,005.70 and 2,981,234.14

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Solution

The fourth proportional to 3,121,279.14, 4,649,005.70 and 2,981,234.14 is: 4,440,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,279.14 : 4,649,005.70 = 2,981,234.14 : x
  2. Step 2: Convert to fraction form
    3,121,279.14/4,649,005.70 = 2,981,234.14/x
  3. Step 3: Cross multiply
    3,121,279.14x = 4,649,005.70 × 2,981,234.14
  4. Step 4: Simplify right side
    3,121,279.14x = 13,859,774,494,988.43
  5. Step 5: Solve for x
    x = 13,859,774,494,988.43/3,121,279.14
  6. Step 6: Final answer
    x = 4,440,414.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.