Finding the Fourth Proportional to 1,678,396.28, 2,519,789.65 and 996,527.95
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Solution
The fourth proportional to 1,678,396.28, 2,519,789.65 and 996,527.95 is: 1,496,095.32
Step by Step Solution
- Step 1: Write the proportion equation
1,678,396.28 : 2,519,789.65 = 996,527.95 : x - Step 2: Convert to fraction form
1,678,396.28/2,519,789.65 = 996,527.95/x - Step 3: Cross multiply
1,678,396.28x = 2,519,789.65 × 996,527.95 - Step 4: Simplify right side
1,678,396.28x = 2,511,040,805,554.92 - Step 5: Solve for x
x = 2,511,040,805,554.92/1,678,396.28 - Step 6: Final answer
x = 1,496,095.32
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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.