Finding the Fourth Proportional to 2,198,072.46, 3,297,428.11 and 681,876.28
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Solution
The fourth proportional to 2,198,072.46, 3,297,428.11 and 681,876.28 is: 1,022,913.50
Step by Step Solution
- Step 1: Write the proportion equation
2,198,072.46 : 3,297,428.11 = 681,876.28 : x - Step 2: Convert to fraction form
2,198,072.46/3,297,428.11 = 681,876.28/x - Step 3: Cross multiply
2,198,072.46x = 3,297,428.11 × 681,876.28 - Step 4: Simplify right side
2,198,072.46x = 2,248,437,996,727.09 - Step 5: Solve for x
x = 2,248,437,996,727.09/2,198,072.46 - Step 6: Final answer
x = 1,022,913.50
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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.