Finding the Fourth Proportional to 5,066,703.76, 6,992,550.35 and 2,891,574.31
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Solution
The fourth proportional to 5,066,703.76, 6,992,550.35 and 2,891,574.31 is: 3,990,657.42
Step by Step Solution
- Step 1: Write the proportion equation
5,066,703.76 : 6,992,550.35 = 2,891,574.31 : x - Step 2: Convert to fraction form
5,066,703.76/6,992,550.35 = 2,891,574.31/x - Step 3: Cross multiply
5,066,703.76x = 6,992,550.35 × 2,891,574.31 - Step 4: Simplify right side
5,066,703.76x = 20,219,478,953,441.51 - Step 5: Solve for x
x = 20,219,478,953,441.51/5,066,703.76 - Step 6: Final answer
x = 3,990,657.42
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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.