Finding the Fourth Proportional to 5,676,545.36, 8,515,941.52 and 2,082,343.70
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Solution
The fourth proportional to 5,676,545.36, 8,515,941.52 and 2,082,343.70 is: 3,123,927.68
Step by Step Solution
- Step 1: Write the proportion equation
5,676,545.36 : 8,515,941.52 = 2,082,343.70 : x - Step 2: Convert to fraction form
5,676,545.36/8,515,941.52 = 2,082,343.70/x - Step 3: Cross multiply
5,676,545.36x = 8,515,941.52 × 2,082,343.70 - Step 4: Simplify right side
5,676,545.36x = 17,733,117,173,740.42 - Step 5: Solve for x
x = 17,733,117,173,740.42/5,676,545.36 - Step 6: Final answer
x = 3,123,927.68
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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.