Finding the Fourth Proportional to 4,738,471.74, 7,107,702.03 and 1,543,592.70
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Solution
The fourth proportional to 4,738,471.74, 7,107,702.03 and 1,543,592.70 is: 2,315,387.23
Step by Step Solution
- Step 1: Write the proportion equation
4,738,471.74 : 7,107,702.03 = 1,543,592.70 : x - Step 2: Convert to fraction form
4,738,471.74/7,107,702.03 = 1,543,592.70/x - Step 3: Cross multiply
4,738,471.74x = 7,107,702.03 × 1,543,592.70 - Step 4: Simplify right side
4,738,471.74x = 10,971,396,967,283.18 - Step 5: Solve for x
x = 10,971,396,967,283.18/4,738,471.74 - Step 6: Final answer
x = 2,315,387.23
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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.