Finding the Fourth Proportional to 2,215,191.66, 3,057,242.60 and 1,297,770.82
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Solution
The fourth proportional to 2,215,191.66, 3,057,242.60 and 1,297,770.82 is: 1,791,086.66
Step by Step Solution
- Step 1: Write the proportion equation
2,215,191.66 : 3,057,242.60 = 1,297,770.82 : x - Step 2: Convert to fraction form
2,215,191.66/3,057,242.60 = 1,297,770.82/x - Step 3: Cross multiply
2,215,191.66x = 3,057,242.60 × 1,297,770.82 - Step 4: Simplify right side
2,215,191.66x = 3,967,600,235,940.93 - Step 5: Solve for x
x = 3,967,600,235,940.93/2,215,191.66 - Step 6: Final answer
x = 1,791,086.66
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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.