Finding the Fourth Proportional to 3,759,192.62, 5,187,690.85 and 2,040,312.68
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Solution
The fourth proportional to 3,759,192.62, 5,187,690.85 and 2,040,312.68 is: 2,815,634.23
Step by Step Solution
- Step 1: Write the proportion equation
3,759,192.62 : 5,187,690.85 = 2,040,312.68 : x - Step 2: Convert to fraction form
3,759,192.62/5,187,690.85 = 2,040,312.68/x - Step 3: Cross multiply
3,759,192.62x = 5,187,690.85 × 2,040,312.68 - Step 4: Simplify right side
3,759,192.62x = 10,584,511,395,236.52 - Step 5: Solve for x
x = 10,584,511,395,236.52/3,759,192.62 - Step 6: Final answer
x = 2,815,634.23
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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.