Finding the Fourth Proportional to 1,427,770.62, 2,143,556.58 and 829,161.42
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Solution
The fourth proportional to 1,427,770.62, 2,143,556.58 and 829,161.42 is: 1,244,845.91
Step by Step Solution
- Step 1: Write the proportion equation
1,427,770.62 : 2,143,556.58 = 829,161.42 : x - Step 2: Convert to fraction form
1,427,770.62/2,143,556.58 = 829,161.42/x - Step 3: Cross multiply
1,427,770.62x = 2,143,556.58 × 829,161.42 - Step 4: Simplify right side
1,427,770.62x = 1,777,354,417,723.14 - Step 5: Solve for x
x = 1,777,354,417,723.14/1,427,770.62 - Step 6: Final answer
x = 1,244,845.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.