Finding the Fourth Proportional to 3,789,910.20, 5,230,609.49 and 2,412,814.02
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Solution
The fourth proportional to 3,789,910.20, 5,230,609.49 and 2,412,814.02 is: 3,330,022.94
Step by Step Solution
- Step 1: Write the proportion equation
3,789,910.20 : 5,230,609.49 = 2,412,814.02 : x - Step 2: Convert to fraction form
3,789,910.20/5,230,609.49 = 2,412,814.02/x - Step 3: Cross multiply
3,789,910.20x = 5,230,609.49 × 2,412,814.02 - Step 4: Simplify right side
3,789,910.20x = 12,620,487,910,617.05 - Step 5: Solve for x
x = 12,620,487,910,617.05/3,789,910.20 - Step 6: Final answer
x = 3,330,022.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.