Finding the Fourth Proportional to 3,682,121.03, 5,521,334.43 and 2,145,614.12
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Solution
The fourth proportional to 3,682,121.03, 5,521,334.43 and 2,145,614.12 is: 3,217,344.84
Step by Step Solution
- Step 1: Write the proportion equation
3,682,121.03 : 5,521,334.43 = 2,145,614.12 : x - Step 2: Convert to fraction form
3,682,121.03/5,521,334.43 = 2,145,614.12/x - Step 3: Cross multiply
3,682,121.03x = 5,521,334.43 × 2,145,614.12 - Step 4: Simplify right side
3,682,121.03x = 11,846,653,114,250.15 - Step 5: Solve for x
x = 11,846,653,114,250.15/3,682,121.03 - Step 6: Final answer
x = 3,217,344.84
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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.