Finding the Fourth Proportional to 3,639,529.42, 5,022,375.30 and 1,985,578.06
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Solution
The fourth proportional to 3,639,529.42, 5,022,375.30 and 1,985,578.06 is: 2,740,002.09
Step by Step Solution
- Step 1: Write the proportion equation
3,639,529.42 : 5,022,375.30 = 1,985,578.06 : x - Step 2: Convert to fraction form
3,639,529.42/5,022,375.30 = 1,985,578.06/x - Step 3: Cross multiply
3,639,529.42x = 5,022,375.30 × 1,985,578.06 - Step 4: Simplify right side
3,639,529.42x = 9,972,318,204,765.92 - Step 5: Solve for x
x = 9,972,318,204,765.92/3,639,529.42 - Step 6: Final answer
x = 2,740,002.09
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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.