Finding the Fourth Proportional to 2,193,136.62, 3,287,185.80 and 1,372,843.68
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Solution
The fourth proportional to 2,193,136.62, 3,287,185.80 and 1,372,843.68 is: 2,057,688.61
Step by Step Solution
- Step 1: Write the proportion equation
2,193,136.62 : 3,287,185.80 = 1,372,843.68 : x - Step 2: Convert to fraction form
2,193,136.62/3,287,185.80 = 1,372,843.68/x - Step 3: Cross multiply
2,193,136.62x = 3,287,185.80 × 1,372,843.68 - Step 4: Simplify right side
2,193,136.62x = 4,512,792,250,515.74 - Step 5: Solve for x
x = 4,512,792,250,515.74/2,193,136.62 - Step 6: Final answer
x = 2,057,688.61
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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.