Finding the Fourth Proportional to 2,821,306.14, 3,894,593.94 and 1,904,776.56
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Solution
The fourth proportional to 2,821,306.14, 3,894,593.94 and 1,904,776.56 is: 2,629,396.06
Step by Step Solution
- Step 1: Write the proportion equation
2,821,306.14 : 3,894,593.94 = 1,904,776.56 : x - Step 2: Convert to fraction form
2,821,306.14/3,894,593.94 = 1,904,776.56/x - Step 3: Cross multiply
2,821,306.14x = 3,894,593.94 × 1,904,776.56 - Step 4: Simplify right side
2,821,306.14x = 7,418,331,247,630.05 - Step 5: Solve for x
x = 7,418,331,247,630.05/2,821,306.14 - Step 6: Final answer
x = 2,629,396.06
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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.