Finding the Fourth Proportional to 5,167,439.28, 7,123,674.96 and 3,634,789.68
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Solution
The fourth proportional to 5,167,439.28, 7,123,674.96 and 3,634,789.68 is: 5,010,810.74
Step by Step Solution
- Step 1: Write the proportion equation
5,167,439.28 : 7,123,674.96 = 3,634,789.68 : x - Step 2: Convert to fraction form
5,167,439.28/7,123,674.96 = 3,634,789.68/x - Step 3: Cross multiply
5,167,439.28x = 7,123,674.96 × 3,634,789.68 - Step 4: Simplify right side
5,167,439.28x = 25,893,060,228,282.41 - Step 5: Solve for x
x = 25,893,060,228,282.41/5,167,439.28 - Step 6: Final answer
x = 5,010,810.74
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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.