Finding the Fourth Proportional to 6,756,381.81, 9,324,704.88 and 3,855,107.61
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Solution
The fourth proportional to 6,756,381.81, 9,324,704.88 and 3,855,107.61 is: 5,320,560.88
Step by Step Solution
- Step 1: Write the proportion equation
6,756,381.81 : 9,324,704.88 = 3,855,107.61 : x - Step 2: Convert to fraction form
6,756,381.81/9,324,704.88 = 3,855,107.61/x - Step 3: Cross multiply
6,756,381.81x = 9,324,704.88 × 3,855,107.61 - Step 4: Simplify right side
6,756,381.81x = 35,947,740,743,892.14 - Step 5: Solve for x
x = 35,947,740,743,892.14/6,756,381.81 - Step 6: Final answer
x = 5,320,560.88
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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.