Home / 3,003,451.21-4,505,129.09-728,994.43

Finding the Fourth Proportional to 3,003,451.21, 4,505,129.09 and 728,994.43

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Solution

The fourth proportional to 3,003,451.21, 4,505,129.09 and 728,994.43 is: 1,093,480.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003,451.21 : 4,505,129.09 = 728,994.43 : x
  2. Step 2: Convert to fraction form
    3,003,451.21/4,505,129.09 = 728,994.43/x
  3. Step 3: Cross multiply
    3,003,451.21x = 4,505,129.09 × 728,994.43
  4. Step 4: Simplify right side
    3,003,451.21x = 3,284,213,986,870.35
  5. Step 5: Solve for x
    x = 3,284,213,986,870.35/3,003,451.21
  6. Step 6: Final answer
    x = 1,093,480.05

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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.