Finding the Fourth Proportional to 5,755,714.21, 7,942,910.97 and 3,177,416.17
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Solution
The fourth proportional to 5,755,714.21, 7,942,910.97 and 3,177,416.17 is: 4,384,848.31
Step by Step Solution
- Step 1: Write the proportion equation
5,755,714.21 : 7,942,910.97 = 3,177,416.17 : x - Step 2: Convert to fraction form
5,755,714.21/7,942,910.97 = 3,177,416.17/x - Step 3: Cross multiply
5,755,714.21x = 7,942,910.97 × 3,177,416.17 - Step 4: Simplify right side
5,755,714.21x = 25,237,933,713,233.83 - Step 5: Solve for x
x = 25,237,933,713,233.83/5,755,714.21 - Step 6: Final answer
x = 4,384,848.31
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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.