Home / 3,621,806.60-4,998,132.89-1,990,214.38

Finding the Fourth Proportional to 3,621,806.60, 4,998,132.89 and 1,990,214.38

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Solution

The fourth proportional to 3,621,806.60, 4,998,132.89 and 1,990,214.38 is: 2,746,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,806.60 : 4,998,132.89 = 1,990,214.38 : x
  2. Step 2: Convert to fraction form
    3,621,806.60/4,998,132.89 = 1,990,214.38/x
  3. Step 3: Cross multiply
    3,621,806.60x = 4,998,132.89 × 1,990,214.38
  4. Step 4: Simplify right side
    3,621,806.60x = 9,947,355,954,588.86
  5. Step 5: Solve for x
    x = 9,947,355,954,588.86/3,621,806.60
  6. Step 6: Final answer
    x = 2,746,517.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.