Finding the Fourth Proportional to 4,738,470.24, 7,107,699.78 and 1,543,591.20
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Solution
The fourth proportional to 4,738,470.24, 7,107,699.78 and 1,543,591.20 is: 2,315,384.98
Step by Step Solution
- Step 1: Write the proportion equation
4,738,470.24 : 7,107,699.78 = 1,543,591.20 : x - Step 2: Convert to fraction form
4,738,470.24/7,107,699.78 = 1,543,591.20/x - Step 3: Cross multiply
4,738,470.24x = 7,107,699.78 × 1,543,591.20 - Step 4: Simplify right side
4,738,470.24x = 10,971,382,832,649.94 - Step 5: Solve for x
x = 10,971,382,832,649.94/4,738,470.24 - Step 6: Final answer
x = 2,315,384.98
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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.