Home / 2,189,745.48-3,022,103.70-1,821,572.22

Finding the Fourth Proportional to 2,189,745.48, 3,022,103.70 and 1,821,572.22

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Solution

The fourth proportional to 2,189,745.48, 3,022,103.70 and 1,821,572.22 is: 2,513,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,745.48 : 3,022,103.70 = 1,821,572.22 : x
  2. Step 2: Convert to fraction form
    2,189,745.48/3,022,103.70 = 1,821,572.22/x
  3. Step 3: Cross multiply
    2,189,745.48x = 3,022,103.70 × 1,821,572.22
  4. Step 4: Simplify right side
    2,189,745.48x = 5,504,980,145,879.21
  5. Step 5: Solve for x
    x = 5,504,980,145,879.21/2,189,745.48
  6. Step 6: Final answer
    x = 2,513,981.74

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1.5x scale

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.