Finding the Fourth Proportional to 3,385,455.23, 5,078,568.20 and 1,227,496.60
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Solution
The fourth proportional to 3,385,455.23, 5,078,568.20 and 1,227,496.60 is: 1,841,384.62
Step by Step Solution
- Step 1: Write the proportion equation
3,385,455.23 : 5,078,568.20 = 1,227,496.60 : x - Step 2: Convert to fraction form
3,385,455.23/5,078,568.20 = 1,227,496.60/x - Step 3: Cross multiply
3,385,455.23x = 5,078,568.20 × 1,227,496.60 - Step 4: Simplify right side
3,385,455.23x = 6,233,925,198,578.85 - Step 5: Solve for x
x = 6,233,925,198,578.85/3,385,455.23 - Step 6: Final answer
x = 1,841,384.62
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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.