Finding the Fourth Proportional to 1,678,414.29, 2,519,816.64 and 996,545.94
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Solution
The fourth proportional to 1,678,414.29, 2,519,816.64 and 996,545.94 is: 1,496,122.30
Step by Step Solution
- Step 1: Write the proportion equation
1,678,414.29 : 2,519,816.64 = 996,545.94 : x - Step 2: Convert to fraction form
1,678,414.29/2,519,816.64 = 996,545.94/x - Step 3: Cross multiply
1,678,414.29x = 2,519,816.64 × 996,545.94 - Step 4: Simplify right side
1,678,414.29x = 2,511,113,042,136.44 - Step 5: Solve for x
x = 2,511,113,042,136.44/1,678,414.29 - Step 6: Final answer
x = 1,496,122.30
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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.