Finding the Fourth Proportional to 3,759,349.80, 5,187,763.72 and 2,040,433.68
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Solution
The fourth proportional to 3,759,349.80, 5,187,763.72 and 2,040,433.68 is: 2,815,723.03
Step by Step Solution
- Step 1: Write the proportion equation
3,759,349.80 : 5,187,763.72 = 2,040,433.68 : x - Step 2: Convert to fraction form
3,759,349.80/5,187,763.72 = 2,040,433.68/x - Step 3: Cross multiply
3,759,349.80x = 5,187,763.72 × 2,040,433.68 - Step 4: Simplify right side
3,759,349.80x = 10,585,287,818,170.09 - Step 5: Solve for x
x = 10,585,287,818,170.09/3,759,349.80 - Step 6: Final answer
x = 2,815,723.03
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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.