Finding the Fourth Proportional to 3,797,310.49, 5,240,279.64 and 2,078,415.97
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Solution
The fourth proportional to 3,797,310.49, 5,240,279.64 and 2,078,415.97 is: 2,868,209.20
Step by Step Solution
- Step 1: Write the proportion equation
3,797,310.49 : 5,240,279.64 = 2,078,415.97 : x - Step 2: Convert to fraction form
3,797,310.49/5,240,279.64 = 2,078,415.97/x - Step 3: Cross multiply
3,797,310.49x = 5,240,279.64 × 2,078,415.97 - Step 4: Simplify right side
3,797,310.49x = 10,891,480,891,041.85 - Step 5: Solve for x
x = 10,891,480,891,041.85/3,797,310.49 - Step 6: Final answer
x = 2,868,209.20
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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.