Finding the Fourth Proportional to 1,654,611.90, 2,481,622.20 and 440,195.10
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Solution
The fourth proportional to 1,654,611.90, 2,481,622.20 and 440,195.10 is: 660,213.99
Step by Step Solution
- Step 1: Write the proportion equation
1,654,611.90 : 2,481,622.20 = 440,195.10 : x - Step 2: Convert to fraction form
1,654,611.90/2,481,622.20 = 440,195.10/x - Step 3: Cross multiply
1,654,611.90x = 2,481,622.20 × 440,195.10 - Step 4: Simplify right side
1,654,611.90x = 1,092,397,932,491.22 - Step 5: Solve for x
x = 1,092,397,932,491.22/1,654,611.90 - Step 6: Final answer
x = 660,213.99
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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.