Finding the Fourth Proportional to 3,469,355.51, 5,207,022.62 and 2,405,144.91
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Solution
The fourth proportional to 3,469,355.51, 5,207,022.62 and 2,405,144.91 is: 3,609,789.75
Step by Step Solution
- Step 1: Write the proportion equation
3,469,355.51 : 5,207,022.62 = 2,405,144.91 : x - Step 2: Convert to fraction form
3,469,355.51/5,207,022.62 = 2,405,144.91/x - Step 3: Cross multiply
3,469,355.51x = 5,207,022.62 × 2,405,144.91 - Step 4: Simplify right side
3,469,355.51x = 12,523,643,950,747.87 - Step 5: Solve for x
x = 12,523,643,950,747.87/3,469,355.51 - Step 6: Final answer
x = 3,609,789.75
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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.