Home / 2,101,218.60-3,150,906.30-838,626.60

Finding the Fourth Proportional to 2,101,218.60, 3,150,906.30 and 838,626.60

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Solution

The fourth proportional to 2,101,218.60, 3,150,906.30 and 838,626.60 is: 1,257,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,218.60 : 3,150,906.30 = 838,626.60 : x
  2. Step 2: Convert to fraction form
    2,101,218.60/3,150,906.30 = 838,626.60/x
  3. Step 3: Cross multiply
    2,101,218.60x = 3,150,906.30 × 838,626.60
  4. Step 4: Simplify right side
    2,101,218.60x = 2,642,433,837,287.58
  5. Step 5: Solve for x
    x = 2,642,433,837,287.58/2,101,218.60
  6. Step 6: Final answer
    x = 1,257,572.08

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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.