Finding the Fourth Proportional to 3,922,121.22, 5,412,758.49 and 2,953,542.66
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Solution
The fourth proportional to 3,922,121.22, 5,412,758.49 and 2,953,542.66 is: 4,076,062.98
Step by Step Solution
- Step 1: Write the proportion equation
3,922,121.22 : 5,412,758.49 = 2,953,542.66 : x - Step 2: Convert to fraction form
3,922,121.22/5,412,758.49 = 2,953,542.66/x - Step 3: Cross multiply
3,922,121.22x = 5,412,758.49 × 2,953,542.66 - Step 4: Simplify right side
3,922,121.22x = 15,986,813,108,492.19 - Step 5: Solve for x
x = 15,986,813,108,492.19/3,922,121.22 - Step 6: Final answer
x = 4,076,062.98
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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.