Finding the Fourth Proportional to 5,197,524.30, 7,172,628.90 and 2,874,296.07
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Solution
The fourth proportional to 5,197,524.30, 7,172,628.90 and 2,874,296.07 is: 3,966,553.66
Step by Step Solution
- Step 1: Write the proportion equation
5,197,524.30 : 7,172,628.90 = 2,874,296.07 : x - Step 2: Convert to fraction form
5,197,524.30/7,172,628.90 = 2,874,296.07/x - Step 3: Cross multiply
5,197,524.30x = 7,172,628.90 × 2,874,296.07 - Step 4: Simplify right side
5,197,524.30x = 20,616,259,058,838.42 - Step 5: Solve for x
x = 20,616,259,058,838.42/5,197,524.30 - Step 6: Final answer
x = 3,966,553.66
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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.