Finding the Fourth Proportional to 6,491,720.70, 9,738,455.85 and 2,233,194.30
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Solution
The fourth proportional to 6,491,720.70, 9,738,455.85 and 2,233,194.30 is: 3,350,092.39
Step by Step Solution
- Step 1: Write the proportion equation
6,491,720.70 : 9,738,455.85 = 2,233,194.30 : x - Step 2: Convert to fraction form
6,491,720.70/9,738,455.85 = 2,233,194.30/x - Step 3: Cross multiply
6,491,720.70x = 9,738,455.85 × 2,233,194.30 - Step 4: Simplify right side
6,491,720.70x = 21,747,864,095,021.65 - Step 5: Solve for x
x = 21,747,864,095,021.65/6,491,720.70 - Step 6: Final answer
x = 3,350,092.39
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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.