Home / 1,981,105.44-2,970,443.69-843,219.67

Finding the Fourth Proportional to 1,981,105.44, 2,970,443.69 and 843,219.67

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Solution

The fourth proportional to 1,981,105.44, 2,970,443.69 and 843,219.67 is: 1,264,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,105.44 : 2,970,443.69 = 843,219.67 : x
  2. Step 2: Convert to fraction form
    1,981,105.44/2,970,443.69 = 843,219.67/x
  3. Step 3: Cross multiply
    1,981,105.44x = 2,970,443.69 × 843,219.67
  4. Step 4: Simplify right side
    1,981,105.44x = 2,504,736,549,867.94
  5. Step 5: Solve for x
    x = 2,504,736,549,867.94/1,981,105.44
  6. Step 6: Final answer
    x = 1,264,312.59

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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.