Finding the Fourth Proportional to 4,320,523.20, 6,468,343.20 and 4,196,107.20
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Solution
The fourth proportional to 4,320,523.20, 6,468,343.20 and 4,196,107.20 is: 6,282,077.47
Step by Step Solution
- Step 1: Write the proportion equation
4,320,523.20 : 6,468,343.20 = 4,196,107.20 : x - Step 2: Convert to fraction form
4,320,523.20/6,468,343.20 = 4,196,107.20/x - Step 3: Cross multiply
4,320,523.20x = 6,468,343.20 × 4,196,107.20 - Step 4: Simplify right side
4,320,523.20x = 27,141,861,473,591.04 - Step 5: Solve for x
x = 27,141,861,473,591.04/4,320,523.20 - Step 6: Final answer
x = 6,282,077.47
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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.