Finding the Fourth Proportional to 5,741,660.22, 7,923,486.74 and 3,163,340.99
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Solution
The fourth proportional to 5,741,660.22, 7,923,486.74 and 3,163,340.99 is: 4,365,408.17
Step by Step Solution
- Step 1: Write the proportion equation
5,741,660.22 : 7,923,486.74 = 3,163,340.99 : x - Step 2: Convert to fraction form
5,741,660.22/7,923,486.74 = 3,163,340.99/x - Step 3: Cross multiply
5,741,660.22x = 7,923,486.74 × 3,163,340.99 - Step 4: Simplify right side
5,741,660.22x = 25,064,690,410,149.28 - Step 5: Solve for x
x = 25,064,690,410,149.28/5,741,660.22 - Step 6: Final answer
x = 4,365,408.17
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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.