Finding the Fourth Proportional to 3,284,531.70, 4,926,795.43 and 2,391,653.38
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Solution
The fourth proportional to 3,284,531.70, 4,926,795.43 and 2,391,653.38 is: 3,587,478.53
Step by Step Solution
- Step 1: Write the proportion equation
3,284,531.70 : 4,926,795.43 = 2,391,653.38 : x - Step 2: Convert to fraction form
3,284,531.70/4,926,795.43 = 2,391,653.38/x - Step 3: Cross multiply
3,284,531.70x = 4,926,795.43 × 2,391,653.38 - Step 4: Simplify right side
3,284,531.70x = 11,783,186,942,728.05 - Step 5: Solve for x
x = 11,783,186,942,728.05/3,284,531.70 - Step 6: Final answer
x = 3,587,478.53
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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.