Finding the Fourth Proportional to 4,041,997.36, 5,577,961.32 and 2,231,161.36
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Solution
The fourth proportional to 4,041,997.36, 5,577,961.32 and 2,231,161.36 is: 3,079,005.42
Step by Step Solution
- Step 1: Write the proportion equation
4,041,997.36 : 5,577,961.32 = 2,231,161.36 : x - Step 2: Convert to fraction form
4,041,997.36/5,577,961.32 = 2,231,161.36/x - Step 3: Cross multiply
4,041,997.36x = 5,577,961.32 × 2,231,161.36 - Step 4: Simplify right side
4,041,997.36x = 12,445,331,764,758.60 - Step 5: Solve for x
x = 12,445,331,764,758.60/4,041,997.36 - Step 6: Final answer
x = 3,079,005.42
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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.