Home / 2,109,937.94-3,164,906.96-512,490.26

Finding the Fourth Proportional to 2,109,937.94, 3,164,906.96 and 512,490.26

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Solution

The fourth proportional to 2,109,937.94, 3,164,906.96 and 512,490.26 is: 768,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,937.94 : 3,164,906.96 = 512,490.26 : x
  2. Step 2: Convert to fraction form
    2,109,937.94/3,164,906.96 = 512,490.26/x
  3. Step 3: Cross multiply
    2,109,937.94x = 3,164,906.96 × 512,490.26
  4. Step 4: Simplify right side
    2,109,937.94x = 1,621,983,999,999.70
  5. Step 5: Solve for x
    x = 1,621,983,999,999.70/2,109,937.94
  6. Step 6: Final answer
    x = 768,735.41

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1.5x scale

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.