Finding the Fourth Proportional to 2,876,227.98, 3,970,631.62 and 1,788,850.08
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Solution
The fourth proportional to 2,876,227.98, 3,970,631.62 and 1,788,850.08 is: 2,469,506.85
Step by Step Solution
- Step 1: Write the proportion equation
2,876,227.98 : 3,970,631.62 = 1,788,850.08 : x - Step 2: Convert to fraction form
2,876,227.98/3,970,631.62 = 1,788,850.08/x - Step 3: Cross multiply
2,876,227.98x = 3,970,631.62 × 1,788,850.08 - Step 4: Simplify right side
2,876,227.98x = 7,102,864,691,087.53 - Step 5: Solve for x
x = 7,102,864,691,087.53/2,876,227.98 - Step 6: Final answer
x = 2,469,506.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.