Finding the Fourth Proportional to 4,678,916.70, 7,018,375.05 and 1,133,060.70
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Solution
The fourth proportional to 4,678,916.70, 7,018,375.05 and 1,133,060.70 is: 1,699,591.05
Step by Step Solution
- Step 1: Write the proportion equation
4,678,916.70 : 7,018,375.05 = 1,133,060.70 : x - Step 2: Convert to fraction form
4,678,916.70/7,018,375.05 = 1,133,060.70/x - Step 3: Cross multiply
4,678,916.70x = 7,018,375.05 × 1,133,060.70 - Step 4: Simplify right side
4,678,916.70x = 7,952,244,947,015.53 - Step 5: Solve for x
x = 7,952,244,947,015.53/4,678,916.70 - Step 6: Final answer
x = 1,699,591.05
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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.