Finding the Fourth Proportional to 3,940,213.68, 5,910,322.14 and 948,397.68
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Solution
The fourth proportional to 3,940,213.68, 5,910,322.14 and 948,397.68 is: 1,422,596.91
Step by Step Solution
- Step 1: Write the proportion equation
3,940,213.68 : 5,910,322.14 = 948,397.68 : x - Step 2: Convert to fraction form
3,940,213.68/5,910,322.14 = 948,397.68/x - Step 3: Cross multiply
3,940,213.68x = 5,910,322.14 × 948,397.68 - Step 4: Simplify right side
3,940,213.68x = 5,605,335,805,628.64 - Step 5: Solve for x
x = 5,605,335,805,628.64/3,940,213.68 - Step 6: Final answer
x = 1,422,596.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.