Finding the Fourth Proportional to 6,757,418.38, 10,136,043.02 and 1,639,890.68
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Solution
The fourth proportional to 6,757,418.38, 10,136,043.02 and 1,639,890.68 is: 2,459,815.50
Step by Step Solution
- Step 1: Write the proportion equation
6,757,418.38 : 10,136,043.02 = 1,639,890.68 : x - Step 2: Convert to fraction form
6,757,418.38/10,136,043.02 = 1,639,890.68/x - Step 3: Cross multiply
6,757,418.38x = 10,136,043.02 × 1,639,890.68 - Step 4: Simplify right side
6,757,418.38x = 16,622,002,480,577.05 - Step 5: Solve for x
x = 16,622,002,480,577.05/6,757,418.38 - Step 6: Final answer
x = 2,459,815.50
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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.