Finding the Fourth Proportional to 4,647,736.44, 6,414,637.20 and 3,872,137.32
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Solution
The fourth proportional to 4,647,736.44, 6,414,637.20 and 3,872,137.32 is: 5,344,183.44
Step by Step Solution
- Step 1: Write the proportion equation
4,647,736.44 : 6,414,637.20 = 3,872,137.32 : x - Step 2: Convert to fraction form
4,647,736.44/6,414,637.20 = 3,872,137.32/x - Step 3: Cross multiply
4,647,736.44x = 6,414,637.20 × 3,872,137.32 - Step 4: Simplify right side
4,647,736.44x = 24,838,356,096,380.30 - Step 5: Solve for x
x = 24,838,356,096,380.30/4,647,736.44 - Step 6: Final answer
x = 5,344,183.44
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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.