Home / 3,009,218.94-4,512,778.38-1,325,403.90

Finding the Fourth Proportional to 3,009,218.94, 4,512,778.38 and 1,325,403.90

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Solution

The fourth proportional to 3,009,218.94, 4,512,778.38 and 1,325,403.90 is: 1,987,643.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009,218.94 : 4,512,778.38 = 1,325,403.90 : x
  2. Step 2: Convert to fraction form
    3,009,218.94/4,512,778.38 = 1,325,403.90/x
  3. Step 3: Cross multiply
    3,009,218.94x = 4,512,778.38 × 1,325,403.90
  4. Step 4: Simplify right side
    3,009,218.94x = 5,981,254,064,687.68
  5. Step 5: Solve for x
    x = 5,981,254,064,687.68/3,009,218.94
  6. Step 6: Final answer
    x = 1,987,643.37

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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.