Home / 1,981,872-2,972,956.32-562,042.44

Finding the Fourth Proportional to 1,981,872, 2,972,956.32 and 562,042.44

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Solution

The fourth proportional to 1,981,872, 2,972,956.32 and 562,042.44 is: 843,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,872 : 2,972,956.32 = 562,042.44 : x
  2. Step 2: Convert to fraction form
    1,981,872/2,972,956.32 = 562,042.44/x
  3. Step 3: Cross multiply
    1,981,872x = 2,972,956.32 × 562,042.44
  4. Step 4: Simplify right side
    1,981,872x = 1,670,927,624,106.22
  5. Step 5: Solve for x
    x = 1,670,927,624,106.22/1,981,872
  6. Step 6: Final answer
    x = 843,105.72

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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.