Finding the Fourth Proportional to 4,457,361.88, 6,151,183.98 and 2,420,171.44
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Solution
The fourth proportional to 4,457,361.88, 6,151,183.98 and 2,420,171.44 is: 3,339,849.94
Step by Step Solution
- Step 1: Write the proportion equation
4,457,361.88 : 6,151,183.98 = 2,420,171.44 : x - Step 2: Convert to fraction form
4,457,361.88/6,151,183.98 = 2,420,171.44/x - Step 3: Cross multiply
4,457,361.88x = 6,151,183.98 × 2,420,171.44 - Step 4: Simplify right side
4,457,361.88x = 14,886,919,790,581.53 - Step 5: Solve for x
x = 14,886,919,790,581.53/4,457,361.88 - Step 6: Final answer
x = 3,339,849.94
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1.5x scale
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.