Finding the Fourth Proportional to 4,775,425.44, 7,163,138.16 and 3,274,968.48
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Solution
The fourth proportional to 4,775,425.44, 7,163,138.16 and 3,274,968.48 is: 4,912,452.72
Step by Step Solution
- Step 1: Write the proportion equation
4,775,425.44 : 7,163,138.16 = 3,274,968.48 : x - Step 2: Convert to fraction form
4,775,425.44/7,163,138.16 = 3,274,968.48/x - Step 3: Cross multiply
4,775,425.44x = 7,163,138.16 × 3,274,968.48 - Step 4: Simplify right side
4,775,425.44x = 23,459,051,691,885.20 - Step 5: Solve for x
x = 23,459,051,691,885.20/4,775,425.44 - Step 6: Final answer
x = 4,912,452.72
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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.