Finding the Fourth Proportional to 4,190,821.24, 5,784,913.26 and 2,449,056.14
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Solution
The fourth proportional to 4,190,821.24, 5,784,913.26 and 2,449,056.14 is: 3,380,620.77
Step by Step Solution
- Step 1: Write the proportion equation
4,190,821.24 : 5,784,913.26 = 2,449,056.14 : x - Step 2: Convert to fraction form
4,190,821.24/5,784,913.26 = 2,449,056.14/x - Step 3: Cross multiply
4,190,821.24x = 5,784,913.26 × 2,449,056.14 - Step 4: Simplify right side
4,190,821.24x = 14,167,577,338,770.42 - Step 5: Solve for x
x = 14,167,577,338,770.42/4,190,821.24 - Step 6: Final answer
x = 3,380,620.77
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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.