Finding the Fourth Proportional to 3,824,936.08, 5,278,424.28 and 2,082,626.08
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Solution
The fourth proportional to 3,824,936.08, 5,278,424.28 and 2,082,626.08 is: 2,874,030.79
Step by Step Solution
- Step 1: Write the proportion equation
3,824,936.08 : 5,278,424.28 = 2,082,626.08 : x - Step 2: Convert to fraction form
3,824,936.08/5,278,424.28 = 2,082,626.08/x - Step 3: Cross multiply
3,824,936.08x = 5,278,424.28 × 2,082,626.08 - Step 4: Simplify right side
3,824,936.08x = 10,992,984,066,833.22 - Step 5: Solve for x
x = 10,992,984,066,833.22/3,824,936.08 - Step 6: Final answer
x = 2,874,030.79
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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.