Finding the Fourth Proportional to 6,449,704.62, 9,675,956.49 and 1,961,863.98
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Solution
The fourth proportional to 6,449,704.62, 9,675,956.49 and 1,961,863.98 is: 2,943,221.69
Step by Step Solution
- Step 1: Write the proportion equation
6,449,704.62 : 9,675,956.49 = 1,961,863.98 : x - Step 2: Convert to fraction form
6,449,704.62/9,675,956.49 = 1,961,863.98/x - Step 3: Cross multiply
6,449,704.62x = 9,675,956.49 × 1,961,863.98 - Step 4: Simplify right side
6,449,704.62x = 18,982,910,509,778.23 - Step 5: Solve for x
x = 18,982,910,509,778.23/6,449,704.62 - Step 6: Final answer
x = 2,943,221.69
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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.