Home / 3,879,523-5,353,358.34-2,160,803.44

Finding the Fourth Proportional to 3,879,523, 5,353,358.34 and 2,160,803.44

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Solution

The fourth proportional to 3,879,523, 5,353,358.34 and 2,160,803.44 is: 2,981,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,523 : 5,353,358.34 = 2,160,803.44 : x
  2. Step 2: Convert to fraction form
    3,879,523/5,353,358.34 = 2,160,803.44/x
  3. Step 3: Cross multiply
    3,879,523x = 5,353,358.34 × 2,160,803.44
  4. Step 4: Simplify right side
    3,879,523x = 11,567,555,116,624.69
  5. Step 5: Solve for x
    x = 11,567,555,116,624.69/3,879,523
  6. Step 6: Final answer
    x = 2,981,695.20

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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.