Home / 1,981,213.92-2,733,920.37-1,165,448.34

Finding the Fourth Proportional to 1,981,213.92, 2,733,920.37 and 1,165,448.34

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Solution

The fourth proportional to 1,981,213.92, 2,733,920.37 and 1,165,448.34 is: 1,608,227.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,213.92 : 2,733,920.37 = 1,165,448.34 : x
  2. Step 2: Convert to fraction form
    1,981,213.92/2,733,920.37 = 1,165,448.34/x
  3. Step 3: Cross multiply
    1,981,213.92x = 2,733,920.37 × 1,165,448.34
  4. Step 4: Simplify right side
    1,981,213.92x = 3,186,242,956,908.69
  5. Step 5: Solve for x
    x = 3,186,242,956,908.69/1,981,213.92
  6. Step 6: Final answer
    x = 1,608,227.62

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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.