Finding the Fourth Proportional to 6,876,890.10, 9,489,935.97 and 3,821,112.18
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Solution
The fourth proportional to 6,876,890.10, 9,489,935.97 and 3,821,112.18 is: 5,273,039.03
Step by Step Solution
- Step 1: Write the proportion equation
6,876,890.10 : 9,489,935.97 = 3,821,112.18 : x - Step 2: Convert to fraction form
6,876,890.10/9,489,935.97 = 3,821,112.18/x - Step 3: Cross multiply
6,876,890.10x = 9,489,935.97 × 3,821,112.18 - Step 4: Simplify right side
6,876,890.10x = 36,262,109,922,387.12 - Step 5: Solve for x
x = 36,262,109,922,387.12/6,876,890.10 - Step 6: Final answer
x = 5,273,039.03
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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.