Finding the Fourth Proportional to 4,997,321.25, 7,491,193.16 and 2,114,722.70
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Solution
The fourth proportional to 4,997,321.25, 7,491,193.16 and 2,114,722.70 is: 3,170,057.59
Step by Step Solution
- Step 1: Write the proportion equation
4,997,321.25 : 7,491,193.16 = 2,114,722.70 : x - Step 2: Convert to fraction form
4,997,321.25/7,491,193.16 = 2,114,722.70/x - Step 3: Cross multiply
4,997,321.25x = 7,491,193.16 × 2,114,722.70 - Step 4: Simplify right side
4,997,321.25x = 15,841,796,177,507.15 - Step 5: Solve for x
x = 15,841,796,177,507.15/4,997,321.25 - Step 6: Final answer
x = 3,170,057.59
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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.