Home / 2,756,769.37-4,135,413.39-811,499.23

Finding the Fourth Proportional to 2,756,769.37, 4,135,413.39 and 811,499.23

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Solution

The fourth proportional to 2,756,769.37, 4,135,413.39 and 811,499.23 is: 1,217,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756,769.37 : 4,135,413.39 = 811,499.23 : x
  2. Step 2: Convert to fraction form
    2,756,769.37/4,135,413.39 = 811,499.23/x
  3. Step 3: Cross multiply
    2,756,769.37x = 4,135,413.39 × 811,499.23
  4. Step 4: Simplify right side
    2,756,769.37x = 3,355,884,781,716.69
  5. Step 5: Solve for x
    x = 3,355,884,781,716.69/2,756,769.37
  6. Step 6: Final answer
    x = 1,217,325.18

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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.