Finding the Fourth Proportional to 3,612,571.14, 5,423,480.94 and 3,103,493.21
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Solution
The fourth proportional to 3,612,571.14, 5,423,480.94 and 3,103,493.21 is: 4,659,212.40
Step by Step Solution
- Step 1: Write the proportion equation
3,612,571.14 : 5,423,480.94 = 3,103,493.21 : x - Step 2: Convert to fraction form
3,612,571.14/5,423,480.94 = 3,103,493.21/x - Step 3: Cross multiply
3,612,571.14x = 5,423,480.94 × 3,103,493.21 - Step 4: Simplify right side
3,612,571.14x = 16,831,736,244,737.01 - Step 5: Solve for x
x = 16,831,736,244,737.01/3,612,571.14 - Step 6: Final answer
x = 4,659,212.40
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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.