Finding the Fourth Proportional to 3,858,354.27, 5,324,602.10 and 2,115,913.27
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Solution
The fourth proportional to 3,858,354.27, 5,324,602.10 and 2,115,913.27 is: 2,920,000.47
Step by Step Solution
- Step 1: Write the proportion equation
3,858,354.27 : 5,324,602.10 = 2,115,913.27 : x - Step 2: Convert to fraction form
3,858,354.27/5,324,602.10 = 2,115,913.27/x - Step 3: Cross multiply
3,858,354.27x = 5,324,602.10 × 2,115,913.27 - Step 4: Simplify right side
3,858,354.27x = 11,266,396,267,269.09 - Step 5: Solve for x
x = 11,266,396,267,269.09/3,858,354.27 - Step 6: Final answer
x = 2,920,000.47
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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.