Finding the Fourth Proportional to 2,207,852.26, 3,311,775.72 and 691,653.29
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Solution
The fourth proportional to 2,207,852.26, 3,311,775.72 and 691,653.29 is: 1,037,479.09
Step by Step Solution
- Step 1: Write the proportion equation
2,207,852.26 : 3,311,775.72 = 691,653.29 : x - Step 2: Convert to fraction form
2,207,852.26/3,311,775.72 = 691,653.29/x - Step 3: Cross multiply
2,207,852.26x = 3,311,775.72 × 691,653.29 - Step 4: Simplify right side
2,207,852.26x = 2,290,600,555,921.24 - Step 5: Solve for x
x = 2,290,600,555,921.24/2,207,852.26 - Step 6: Final answer
x = 1,037,479.09
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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.