Finding the Fourth Proportional to 4,025,724.70, 5,555,544.16 and 2,190,193.42
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Solution
The fourth proportional to 4,025,724.70, 5,555,544.16 and 2,190,193.42 is: 3,022,490.90
Step by Step Solution
- Step 1: Write the proportion equation
4,025,724.70 : 5,555,544.16 = 2,190,193.42 : x - Step 2: Convert to fraction form
4,025,724.70/5,555,544.16 = 2,190,193.42/x - Step 3: Cross multiply
4,025,724.70x = 5,555,544.16 × 2,190,193.42 - Step 4: Simplify right side
4,025,724.70x = 12,167,716,263,751.43 - Step 5: Solve for x
x = 12,167,716,263,751.43/4,025,724.70 - Step 6: Final answer
x = 3,022,490.90
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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.