Finding the Fourth Proportional to 4,987,645.62, 7,481,691.03 and 1,529,136.47
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Solution
The fourth proportional to 4,987,645.62, 7,481,691.03 and 1,529,136.47 is: 2,293,772.94
Step by Step Solution
- Step 1: Write the proportion equation
4,987,645.62 : 7,481,691.03 = 1,529,136.47 : x - Step 2: Convert to fraction form
4,987,645.62/7,481,691.03 = 1,529,136.47/x - Step 3: Cross multiply
4,987,645.62x = 7,481,691.03 × 1,529,136.47 - Step 4: Simplify right side
4,987,645.62x = 11,440,526,573,836.41 - Step 5: Solve for x
x = 11,440,526,573,836.41/4,987,645.62 - Step 6: Final answer
x = 2,293,772.94
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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.