Finding the Fourth Proportional to 2,207,633.27, 3,311,449.97 and 691,434.90
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Solution
The fourth proportional to 2,207,633.27, 3,311,449.97 and 691,434.90 is: 1,037,152.37
Step by Step Solution
- Step 1: Write the proportion equation
2,207,633.27 : 3,311,449.97 = 691,434.90 : x - Step 2: Convert to fraction form
2,207,633.27/3,311,449.97 = 691,434.90/x - Step 3: Cross multiply
2,207,633.27x = 3,311,449.97 × 691,434.90 - Step 4: Simplify right side
2,207,633.27x = 2,289,652,075,404.78 - Step 5: Solve for x
x = 2,289,652,075,404.78/2,207,633.27 - Step 6: Final answer
x = 1,037,152.37
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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.