Finding the Fourth Proportional to 6,397,229.24, 8,828,163.57 and 3,643,915.61
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Solution
The fourth proportional to 6,397,229.24, 8,828,163.57 and 3,643,915.61 is: 5,028,596.27
Step by Step Solution
- Step 1: Write the proportion equation
6,397,229.24 : 8,828,163.57 = 3,643,915.61 : x - Step 2: Convert to fraction form
6,397,229.24/8,828,163.57 = 3,643,915.61/x - Step 3: Cross multiply
6,397,229.24x = 8,828,163.57 × 3,643,915.61 - Step 4: Simplify right side
6,397,229.24x = 32,169,083,076,091.42 - Step 5: Solve for x
x = 32,169,083,076,091.42/6,397,229.24 - Step 6: Final answer
x = 5,028,596.27
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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.