Finding the Fourth Proportional to 5,088,694.76, 7,022,442.66 and 2,796,908.84
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Solution
The fourth proportional to 5,088,694.76, 7,022,442.66 and 2,796,908.84 is: 3,859,758.32
Step by Step Solution
- Step 1: Write the proportion equation
5,088,694.76 : 7,022,442.66 = 2,796,908.84 : x - Step 2: Convert to fraction form
5,088,694.76/7,022,442.66 = 2,796,908.84/x - Step 3: Cross multiply
5,088,694.76x = 7,022,442.66 × 2,796,908.84 - Step 4: Simplify right side
5,088,694.76x = 19,641,131,954,147.11 - Step 5: Solve for x
x = 19,641,131,954,147.11/5,088,694.76 - Step 6: Final answer
x = 3,859,758.32
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1.5x scale
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.