Finding the Fourth Proportional to 3,876,460.05, 5,348,079.99 and 3,870,481.44
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Solution
The fourth proportional to 3,876,460.05, 5,348,079.99 and 3,870,481.44 is: 5,339,831.72
Step by Step Solution
- Step 1: Write the proportion equation
3,876,460.05 : 5,348,079.99 = 3,870,481.44 : x - Step 2: Convert to fraction form
3,876,460.05/5,348,079.99 = 3,870,481.44/x - Step 3: Cross multiply
3,876,460.05x = 5,348,079.99 × 3,870,481.44 - Step 4: Simplify right side
3,876,460.05x = 20,699,644,340,930.39 - Step 5: Solve for x
x = 20,699,644,340,930.39/3,876,460.05 - Step 6: Final answer
x = 5,339,831.72
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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.