Finding the Fourth Proportional to 3,770,915.67, 5,203,972.17 and 2,052,145.08
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Solution
The fourth proportional to 3,770,915.67, 5,203,972.17 and 2,052,145.08 is: 2,832,019.28
Step by Step Solution
- Step 1: Write the proportion equation
3,770,915.67 : 5,203,972.17 = 2,052,145.08 : x - Step 2: Convert to fraction form
3,770,915.67/5,203,972.17 = 2,052,145.08/x - Step 3: Cross multiply
3,770,915.67x = 5,203,972.17 × 2,052,145.08 - Step 4: Simplify right side
3,770,915.67x = 10,679,305,885,122.42 - Step 5: Solve for x
x = 10,679,305,885,122.42/3,770,915.67 - Step 6: Final answer
x = 2,832,019.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.