Home / 4,857,744.53-7,289,138.61-1,981,221.71

Finding the Fourth Proportional to 4,857,744.53, 7,289,138.61 and 1,981,221.71

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Solution

The fourth proportional to 4,857,744.53, 7,289,138.61 and 1,981,221.71 is: 2,972,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,744.53 : 7,289,138.61 = 1,981,221.71 : x
  2. Step 2: Convert to fraction form
    4,857,744.53/7,289,138.61 = 1,981,221.71/x
  3. Step 3: Cross multiply
    4,857,744.53x = 7,289,138.61 × 1,981,221.71
  4. Step 4: Simplify right side
    4,857,744.53x = 14,441,399,624,885.53
  5. Step 5: Solve for x
    x = 14,441,399,624,885.53/4,857,744.53
  6. Step 6: Final answer
    x = 2,972,861.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.