Finding the Fourth Proportional to 5,859,218.90, 8,082,144.14 and 3,872,351.28
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Solution
The fourth proportional to 5,859,218.90, 8,082,144.14 and 3,872,351.28 is: 5,341,480.11
Step by Step Solution
- Step 1: Write the proportion equation
5,859,218.90 : 8,082,144.14 = 3,872,351.28 : x - Step 2: Convert to fraction form
5,859,218.90/8,082,144.14 = 3,872,351.28/x - Step 3: Cross multiply
5,859,218.90x = 8,082,144.14 × 3,872,351.28 - Step 4: Simplify right side
5,859,218.90x = 31,296,901,205,673.50 - Step 5: Solve for x
x = 31,296,901,205,673.50/5,859,218.90 - Step 6: Final answer
x = 5,341,480.11
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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.