Finding the Fourth Proportional to 5,523,544.88, 7,622,728.43 and 3,076,155.92
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Solution
The fourth proportional to 5,523,544.88, 7,622,728.43 and 3,076,155.92 is: 4,245,226.88
Step by Step Solution
- Step 1: Write the proportion equation
5,523,544.88 : 7,622,728.43 = 3,076,155.92 : x - Step 2: Convert to fraction form
5,523,544.88/7,622,728.43 = 3,076,155.92/x - Step 3: Cross multiply
5,523,544.88x = 7,622,728.43 × 3,076,155.92 - Step 4: Simplify right side
5,523,544.88x = 23,448,701,207,476.22 - Step 5: Solve for x
x = 23,448,701,207,476.22/5,523,544.88 - Step 6: Final answer
x = 4,245,226.88
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1.5x scale
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.