Finding the Fourth Proportional to 4,025,604.26, 5,555,207.01 and 2,190,015.44
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Solution
The fourth proportional to 4,025,604.26, 5,555,207.01 and 2,190,015.44 is: 3,022,152.29
Step by Step Solution
- Step 1: Write the proportion equation
4,025,604.26 : 5,555,207.01 = 2,190,015.44 : x - Step 2: Convert to fraction form
4,025,604.26/5,555,207.01 = 2,190,015.44/x - Step 3: Cross multiply
4,025,604.26x = 5,555,207.01 × 2,190,015.44 - Step 4: Simplify right side
4,025,604.26x = 12,165,989,124,296.23 - Step 5: Solve for x
x = 12,165,989,124,296.23/4,025,604.26 - Step 6: Final answer
x = 3,022,152.29
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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.