Finding the Fourth Proportional to 3,647,135.58, 5,033,147.67 and 2,015,648.70
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Solution
The fourth proportional to 3,647,135.58, 5,033,147.67 and 2,015,648.70 is: 2,781,650.79
Step by Step Solution
- Step 1: Write the proportion equation
3,647,135.58 : 5,033,147.67 = 2,015,648.70 : x - Step 2: Convert to fraction form
3,647,135.58/5,033,147.67 = 2,015,648.70/x - Step 3: Cross multiply
3,647,135.58x = 5,033,147.67 × 2,015,648.70 - Step 4: Simplify right side
3,647,135.58x = 10,145,057,557,943.53 - Step 5: Solve for x
x = 10,145,057,557,943.53/3,647,135.58 - Step 6: Final answer
x = 2,781,650.79
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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.