Finding the Fourth Proportional to 5,161,646, 7,123,470.40 and 3,096,739.28
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Solution
The fourth proportional to 5,161,646, 7,123,470.40 and 3,096,739.28 is: 4,273,739.54
Step by Step Solution
- Step 1: Write the proportion equation
5,161,646 : 7,123,470.40 = 3,096,739.28 : x - Step 2: Convert to fraction form
5,161,646/7,123,470.40 = 3,096,739.28/x - Step 3: Cross multiply
5,161,646x = 7,123,470.40 × 3,096,739.28 - Step 4: Simplify right side
5,161,646x = 22,059,530,597,597.31 - Step 5: Solve for x
x = 22,059,530,597,597.31/5,161,646 - Step 6: Final answer
x = 4,273,739.54
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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.