Finding the Fourth Proportional to 5,755,207.14, 7,942,090.50 and 3,176,821.62
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Solution
The fourth proportional to 5,755,207.14, 7,942,090.50 and 3,176,821.62 is: 4,383,961.20
Step by Step Solution
- Step 1: Write the proportion equation
5,755,207.14 : 7,942,090.50 = 3,176,821.62 : x - Step 2: Convert to fraction form
5,755,207.14/7,942,090.50 = 3,176,821.62/x - Step 3: Cross multiply
5,755,207.14x = 7,942,090.50 × 3,176,821.62 - Step 4: Simplify right side
5,755,207.14x = 25,230,604,808,396.61 - Step 5: Solve for x
x = 25,230,604,808,396.61/5,755,207.14 - Step 6: Final answer
x = 4,383,961.20
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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.