Finding the Fourth Proportional to 5,709,952.20, 7,879,697.10 and 3,263,311.56
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Solution
The fourth proportional to 5,709,952.20, 7,879,697.10 and 3,263,311.56 is: 4,503,348.84
Step by Step Solution
- Step 1: Write the proportion equation
5,709,952.20 : 7,879,697.10 = 3,263,311.56 : x - Step 2: Convert to fraction form
5,709,952.20/7,879,697.10 = 3,263,311.56/x - Step 3: Cross multiply
5,709,952.20x = 7,879,697.10 × 3,263,311.56 - Step 4: Simplify right side
5,709,952.20x = 25,713,906,635,728.48 - Step 5: Solve for x
x = 25,713,906,635,728.48/5,709,952.20 - Step 6: Final answer
x = 4,503,348.84
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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.