Finding the Fourth Proportional to 5,304,768.08, 7,958,614.62 and 2,112,136.28
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Solution
The fourth proportional to 5,304,768.08, 7,958,614.62 and 2,112,136.28 is: 3,168,786.73
Step by Step Solution
- Step 1: Write the proportion equation
5,304,768.08 : 7,958,614.62 = 2,112,136.28 : x - Step 2: Convert to fraction form
5,304,768.08/7,958,614.62 = 2,112,136.28/x - Step 3: Cross multiply
5,304,768.08x = 7,958,614.62 × 2,112,136.28 - Step 4: Simplify right side
5,304,768.08x = 16,809,678,677,440.41 - Step 5: Solve for x
x = 16,809,678,677,440.41/5,304,768.08 - Step 6: Final answer
x = 3,168,786.73
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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.