Finding the Fourth Proportional to 4,923,882.21, 6,796,091.19 and 2,887,347.81
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Solution
The fourth proportional to 4,923,882.21, 6,796,091.19 and 2,887,347.81 is: 3,985,204.80
Step by Step Solution
- Step 1: Write the proportion equation
4,923,882.21 : 6,796,091.19 = 2,887,347.81 : x - Step 2: Convert to fraction form
4,923,882.21/6,796,091.19 = 2,887,347.81/x - Step 3: Cross multiply
4,923,882.21x = 6,796,091.19 × 2,887,347.81 - Step 4: Simplify right side
4,923,882.21x = 19,622,678,990,436.57 - Step 5: Solve for x
x = 19,622,678,990,436.57/4,923,882.21 - Step 6: Final answer
x = 3,985,204.80
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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.