Finding the Fourth Proportional to 1,324,851.80, 1,987,277.70 and 327,579.80
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Solution
The fourth proportional to 1,324,851.80, 1,987,277.70 and 327,579.80 is: 491,369.70
Step by Step Solution
- Step 1: Write the proportion equation
1,324,851.80 : 1,987,277.70 = 327,579.80 : x - Step 2: Convert to fraction form
1,324,851.80/1,987,277.70 = 327,579.80/x - Step 3: Cross multiply
1,324,851.80x = 1,987,277.70 × 327,579.80 - Step 4: Simplify right side
1,324,851.80x = 650,992,031,510.46 - Step 5: Solve for x
x = 650,992,031,510.46/1,324,851.80 - Step 6: Final answer
x = 491,369.70
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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.