Home / 6,418,921.20-9,628,819.20-2,041,713.60

Finding the Fourth Proportional to 6,418,921.20, 9,628,819.20 and 2,041,713.60

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Solution

The fourth proportional to 6,418,921.20, 9,628,819.20 and 2,041,713.60 is: 3,062,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,921.20 : 9,628,819.20 = 2,041,713.60 : x
  2. Step 2: Convert to fraction form
    6,418,921.20/9,628,819.20 = 2,041,713.60/x
  3. Step 3: Cross multiply
    6,418,921.20x = 9,628,819.20 × 2,041,713.60
  4. Step 4: Simplify right side
    6,418,921.20x = 19,659,291,112,581.12
  5. Step 5: Solve for x
    x = 19,659,291,112,581.12/6,418,921.20
  6. Step 6: Final answer
    x = 3,062,709.53

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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.