Finding the Fourth Proportional to 7,268,717.40, 10,901,107.80 and 2,151,137.40
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Solution
The fourth proportional to 7,268,717.40, 10,901,107.80 and 2,151,137.40 is: 3,226,123.59
Step by Step Solution
- Step 1: Write the proportion equation
7,268,717.40 : 10,901,107.80 = 2,151,137.40 : x - Step 2: Convert to fraction form
7,268,717.40/10,901,107.80 = 2,151,137.40/x - Step 3: Cross multiply
7,268,717.40x = 10,901,107.80 × 2,151,137.40 - Step 4: Simplify right side
7,268,717.40x = 23,449,780,690,011.72 - Step 5: Solve for x
x = 23,449,780,690,011.72/7,268,717.40 - Step 6: Final answer
x = 3,226,123.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.