Finding the Fourth Proportional to 4,120,738.20, 6,183,731.70 and 2,414,878.20
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Solution
The fourth proportional to 4,120,738.20, 6,183,731.70 and 2,414,878.20 is: 3,623,855.28
Step by Step Solution
- Step 1: Write the proportion equation
4,120,738.20 : 6,183,731.70 = 2,414,878.20 : x - Step 2: Convert to fraction form
4,120,738.20/6,183,731.70 = 2,414,878.20/x - Step 3: Cross multiply
4,120,738.20x = 6,183,731.70 × 2,414,878.20 - Step 4: Simplify right side
4,120,738.20x = 14,932,958,876,978.94 - Step 5: Solve for x
x = 14,932,958,876,978.94/4,120,738.20 - Step 6: Final answer
x = 3,623,855.28
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1.5x scale
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.