Finding the Fourth Proportional to 3,411,123.12, 5,116,614.42 and 1,136,812.68
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Solution
The fourth proportional to 3,411,123.12, 5,116,614.42 and 1,136,812.68 is: 1,705,195.60
Step by Step Solution
- Step 1: Write the proportion equation
3,411,123.12 : 5,116,614.42 = 1,136,812.68 : x - Step 2: Convert to fraction form
3,411,123.12/5,116,614.42 = 1,136,812.68/x - Step 3: Cross multiply
3,411,123.12x = 5,116,614.42 × 1,136,812.68 - Step 4: Simplify right side
3,411,123.12x = 5,816,632,151,326.85 - Step 5: Solve for x
x = 5,816,632,151,326.85/3,411,123.12 - Step 6: Final answer
x = 1,705,195.60
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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.