Finding the Fourth Proportional to 3,821,933.98, 5,274,487.12 and 2,190,613.08
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Solution
The fourth proportional to 3,821,933.98, 5,274,487.12 and 2,190,613.08 is: 3,023,171.13
Step by Step Solution
- Step 1: Write the proportion equation
3,821,933.98 : 5,274,487.12 = 2,190,613.08 : x - Step 2: Convert to fraction form
3,821,933.98/5,274,487.12 = 2,190,613.08/x - Step 3: Cross multiply
3,821,933.98x = 5,274,487.12 × 2,190,613.08 - Step 4: Simplify right side
3,821,933.98x = 11,554,360,475,363.53 - Step 5: Solve for x
x = 11,554,360,475,363.53/3,821,933.98 - Step 6: Final answer
x = 3,023,171.13
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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.