Finding the Fourth Proportional to 5,387,550.04, 7,434,976.53 and 2,940,318.15
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Solution
The fourth proportional to 5,387,550.04, 7,434,976.53 and 2,940,318.15 is: 4,057,724.99
Step by Step Solution
- Step 1: Write the proportion equation
5,387,550.04 : 7,434,976.53 = 2,940,318.15 : x - Step 2: Convert to fraction form
5,387,550.04/7,434,976.53 = 2,940,318.15/x - Step 3: Cross multiply
5,387,550.04x = 7,434,976.53 × 2,940,318.15 - Step 4: Simplify right side
5,387,550.04x = 21,861,196,397,075.67 - Step 5: Solve for x
x = 21,861,196,397,075.67/5,387,550.04 - Step 6: Final answer
x = 4,057,724.99
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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.