Finding the Fourth Proportional to 2,112,940.46, 2,915,836.39 and 1,146,049.99
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Solution
The fourth proportional to 2,112,940.46, 2,915,836.39 and 1,146,049.99 is: 1,581,537.35
Step by Step Solution
- Step 1: Write the proportion equation
2,112,940.46 : 2,915,836.39 = 1,146,049.99 : x - Step 2: Convert to fraction form
2,112,940.46/2,915,836.39 = 1,146,049.99/x - Step 3: Cross multiply
2,112,940.46x = 2,915,836.39 × 1,146,049.99 - Step 4: Simplify right side
2,112,940.46x = 3,341,694,265,601.14 - Step 5: Solve for x
x = 3,341,694,265,601.14/2,112,940.46 - Step 6: Final answer
x = 1,581,537.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.