Finding the Fourth Proportional to 4,215,642.87, 6,324,067.52 and 1,297,982.60
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Solution
The fourth proportional to 4,215,642.87, 6,324,067.52 and 1,297,982.60 is: 1,947,159.62
Step by Step Solution
- Step 1: Write the proportion equation
4,215,642.87 : 6,324,067.52 = 1,297,982.60 : x - Step 2: Convert to fraction form
4,215,642.87/6,324,067.52 = 1,297,982.60/x - Step 3: Cross multiply
4,215,642.87x = 6,324,067.52 × 1,297,982.60 - Step 4: Simplify right side
4,215,642.87x = 8,208,529,590,223.87 - Step 5: Solve for x
x = 8,208,529,590,223.87/4,215,642.87 - Step 6: Final answer
x = 1,947,159.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.