Finding the Fourth Proportional to 3,969,425.97, 5,477,478.53 and 2,226,857.04
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Solution
The fourth proportional to 3,969,425.97, 5,477,478.53 and 2,226,857.04 is: 3,072,877.97
Step by Step Solution
- Step 1: Write the proportion equation
3,969,425.97 : 5,477,478.53 = 2,226,857.04 : x - Step 2: Convert to fraction form
3,969,425.97/5,477,478.53 = 2,226,857.04/x - Step 3: Cross multiply
3,969,425.97x = 5,477,478.53 × 2,226,857.04 - Step 4: Simplify right side
3,969,425.97x = 12,197,561,614,845.07 - Step 5: Solve for x
x = 12,197,561,614,845.07/3,969,425.97 - Step 6: Final answer
x = 3,072,877.97
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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.