Home / 2,100,680.64-3,149,151.48-820,997.10

Finding the Fourth Proportional to 2,100,680.64, 3,149,151.48 and 820,997.10

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Solution

The fourth proportional to 2,100,680.64, 3,149,151.48 and 820,997.10 is: 1,230,765.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,680.64 : 3,149,151.48 = 820,997.10 : x
  2. Step 2: Convert to fraction form
    2,100,680.64/3,149,151.48 = 820,997.10/x
  3. Step 3: Cross multiply
    2,100,680.64x = 3,149,151.48 × 820,997.10
  4. Step 4: Simplify right side
    2,100,680.64x = 2,585,444,232,540.71
  5. Step 5: Solve for x
    x = 2,585,444,232,540.71/2,100,680.64
  6. Step 6: Final answer
    x = 1,230,765.01

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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.