Finding the Fourth Proportional to 3,821,054.48, 5,273,047.28 and 2,102,170.92
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Solution
The fourth proportional to 3,821,054.48, 5,273,047.28 and 2,102,170.92 is: 2,900,991.52
Step by Step Solution
- Step 1: Write the proportion equation
3,821,054.48 : 5,273,047.28 = 2,102,170.92 : x - Step 2: Convert to fraction form
3,821,054.48/5,273,047.28 = 2,102,170.92/x - Step 3: Cross multiply
3,821,054.48x = 5,273,047.28 × 2,102,170.92 - Step 4: Simplify right side
3,821,054.48x = 11,084,846,651,801.10 - Step 5: Solve for x
x = 11,084,846,651,801.10/3,821,054.48 - Step 6: Final answer
x = 2,900,991.52
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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.