Finding the Fourth Proportional to 3,821,934.24, 5,274,487.47 and 2,190,613.34
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Solution
The fourth proportional to 3,821,934.24, 5,274,487.47 and 2,190,613.34 is: 3,023,171.48
Step by Step Solution
- Step 1: Write the proportion equation
3,821,934.24 : 5,274,487.47 = 2,190,613.34 : x - Step 2: Convert to fraction form
3,821,934.24/5,274,487.47 = 2,190,613.34/x - Step 3: Cross multiply
3,821,934.24x = 5,274,487.47 × 2,190,613.34 - Step 4: Simplify right side
3,821,934.24x = 11,554,362,587,072.41 - Step 5: Solve for x
x = 11,554,362,587,072.41/3,821,934.24 - Step 6: Final answer
x = 3,023,171.48
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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.