Home / 1,981,915-2,973,020.82-562,085.44

Finding the Fourth Proportional to 1,981,915, 2,973,020.82 and 562,085.44

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Solution

The fourth proportional to 1,981,915, 2,973,020.82 and 562,085.44 is: 843,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,915 : 2,973,020.82 = 562,085.44 : x
  2. Step 2: Convert to fraction form
    1,981,915/2,973,020.82 = 562,085.44/x
  3. Step 3: Cross multiply
    1,981,915x = 2,973,020.82 × 562,085.44
  4. Step 4: Simplify right side
    1,981,915x = 1,671,091,715,738.86
  5. Step 5: Solve for x
    x = 1,671,091,715,738.86/1,981,915
  6. Step 6: Final answer
    x = 843,170.22

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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.