Finding the Fourth Proportional to 6,840,930.81, 10,261,658.66 and 3,054,446.49
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Solution
The fourth proportional to 6,840,930.81, 10,261,658.66 and 3,054,446.49 is: 4,581,786.92
Step by Step Solution
- Step 1: Write the proportion equation
6,840,930.81 : 10,261,658.66 = 3,054,446.49 : x - Step 2: Convert to fraction form
6,840,930.81/10,261,658.66 = 3,054,446.49/x - Step 3: Cross multiply
6,840,930.81x = 10,261,658.66 × 3,054,446.49 - Step 4: Simplify right side
6,840,930.81x = 31,343,687,275,615.11 - Step 5: Solve for x
x = 31,343,687,275,615.11/6,840,930.81 - Step 6: Final answer
x = 4,581,786.92
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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.