Finding the Fourth Proportional to 3,820,957.38, 5,273,674.12 and 2,190,458.68
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Solution
The fourth proportional to 3,820,957.38, 5,273,674.12 and 2,190,458.68 is: 3,023,264.62
Step by Step Solution
- Step 1: Write the proportion equation
3,820,957.38 : 5,273,674.12 = 2,190,458.68 : x - Step 2: Convert to fraction form
3,820,957.38/5,273,674.12 = 2,190,458.68/x - Step 3: Cross multiply
3,820,957.38x = 5,273,674.12 × 2,190,458.68 - Step 4: Simplify right side
3,820,957.38x = 11,551,765,251,645.36 - Step 5: Solve for x
x = 11,551,765,251,645.36/3,820,957.38 - Step 6: Final answer
x = 3,023,264.62
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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.