Finding the Fourth Proportional to 4,330,211.80, 6,496,872.90 and 4,174,691.80
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Solution
The fourth proportional to 4,330,211.80, 6,496,872.90 and 4,174,691.80 is: 6,263,537.04
Step by Step Solution
- Step 1: Write the proportion equation
4,330,211.80 : 6,496,872.90 = 4,174,691.80 : x - Step 2: Convert to fraction form
4,330,211.80/6,496,872.90 = 4,174,691.80/x - Step 3: Cross multiply
4,330,211.80x = 6,496,872.90 × 4,174,691.80 - Step 4: Simplify right side
4,330,211.80x = 27,122,442,021,272.22 - Step 5: Solve for x
x = 27,122,442,021,272.22/4,330,211.80 - Step 6: Final answer
x = 6,263,537.04
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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.