Finding the Fourth Proportional to 4,218,013.50, 6,328,099.17 and 1,226,197.50
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Solution
The fourth proportional to 4,218,013.50, 6,328,099.17 and 1,226,197.50 is: 1,839,609.90
Step by Step Solution
- Step 1: Write the proportion equation
4,218,013.50 : 6,328,099.17 = 1,226,197.50 : x - Step 2: Convert to fraction form
4,218,013.50/6,328,099.17 = 1,226,197.50/x - Step 3: Cross multiply
4,218,013.50x = 6,328,099.17 × 1,226,197.50 - Step 4: Simplify right side
4,218,013.50x = 7,759,499,382,006.08 - Step 5: Solve for x
x = 7,759,499,382,006.08/4,218,013.50 - Step 6: Final answer
x = 1,839,609.90
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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.