Finding the Fourth Proportional to 4,317,251.20, 6,468,731.52 and 3,872,213.44
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Solution
The fourth proportional to 4,317,251.20, 6,468,731.52 and 3,872,213.44 is: 5,801,911.44
Step by Step Solution
- Step 1: Write the proportion equation
4,317,251.20 : 6,468,731.52 = 3,872,213.44 : x - Step 2: Convert to fraction form
4,317,251.20/6,468,731.52 = 3,872,213.44/x - Step 3: Cross multiply
4,317,251.20x = 6,468,731.52 × 3,872,213.44 - Step 4: Simplify right side
4,317,251.20x = 25,048,309,131,495.62 - Step 5: Solve for x
x = 25,048,309,131,495.62/4,317,251.20 - Step 6: Final answer
x = 5,801,911.44
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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.