Finding the Fourth Proportional to 1,647,026.97, 2,272,874.91 and 921,874.49
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Solution
The fourth proportional to 1,647,026.97, 2,272,874.91 and 921,874.49 is: 1,272,174.31
Step by Step Solution
- Step 1: Write the proportion equation
1,647,026.97 : 2,272,874.91 = 921,874.49 : x - Step 2: Convert to fraction form
1,647,026.97/2,272,874.91 = 921,874.49/x - Step 3: Cross multiply
1,647,026.97x = 2,272,874.91 × 921,874.49 - Step 4: Simplify right side
1,647,026.97x = 2,095,305,401,177.16 - Step 5: Solve for x
x = 2,095,305,401,177.16/1,647,026.97 - Step 6: Final answer
x = 1,272,174.31
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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.