Home / 2,109,940.30-3,164,910.47-512,492.62

Finding the Fourth Proportional to 2,109,940.30, 3,164,910.47 and 512,492.62

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Solution

The fourth proportional to 2,109,940.30, 3,164,910.47 and 512,492.62 is: 768,738.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,940.30 : 3,164,910.47 = 512,492.62 : x
  2. Step 2: Convert to fraction form
    2,109,940.30/3,164,910.47 = 512,492.62/x
  3. Step 3: Cross multiply
    2,109,940.30x = 3,164,910.47 × 512,492.62
  4. Step 4: Simplify right side
    2,109,940.30x = 1,621,993,256,217.05
  5. Step 5: Solve for x
    x = 1,621,993,256,217.05/2,109,940.30
  6. Step 6: Final answer
    x = 768,738.94

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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.