Finding the Fourth Proportional to 6,378,729.48, 9,561,326.67 and 3,135,693.60
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Solution
The fourth proportional to 6,378,729.48, 9,561,326.67 and 3,135,693.60 is: 4,700,213.57
Step by Step Solution
- Step 1: Write the proportion equation
6,378,729.48 : 9,561,326.67 = 3,135,693.60 : x - Step 2: Convert to fraction form
6,378,729.48/9,561,326.67 = 3,135,693.60/x - Step 3: Cross multiply
6,378,729.48x = 9,561,326.67 × 3,135,693.60 - Step 4: Simplify right side
6,378,729.48x = 29,981,390,846,628.31 - Step 5: Solve for x
x = 29,981,390,846,628.31/6,378,729.48 - Step 6: Final answer
x = 4,700,213.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.