Finding the Fourth Proportional to 4,900,961.70, 7,351,442.55 and 2,775,197.70
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Solution
The fourth proportional to 4,900,961.70, 7,351,442.55 and 2,775,197.70 is: 4,162,796.55
Step by Step Solution
- Step 1: Write the proportion equation
4,900,961.70 : 7,351,442.55 = 2,775,197.70 : x - Step 2: Convert to fraction form
4,900,961.70/7,351,442.55 = 2,775,197.70/x - Step 3: Cross multiply
4,900,961.70x = 7,351,442.55 × 2,775,197.70 - Step 4: Simplify right side
4,900,961.70x = 20,401,706,456,442.14 - Step 5: Solve for x
x = 20,401,706,456,442.14/4,900,961.70 - Step 6: Final answer
x = 4,162,796.55
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1.5x scale
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.