Finding the Fourth Proportional to 1,942,676.18, 2,681,150.68 and 1,126,711.26
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Solution
The fourth proportional to 1,942,676.18, 2,681,150.68 and 1,126,711.26 is: 1,555,010.92
Step by Step Solution
- Step 1: Write the proportion equation
1,942,676.18 : 2,681,150.68 = 1,126,711.26 : x - Step 2: Convert to fraction form
1,942,676.18/2,681,150.68 = 1,126,711.26/x - Step 3: Cross multiply
1,942,676.18x = 2,681,150.68 × 1,126,711.26 - Step 4: Simplify right side
1,942,676.18x = 3,020,882,660,912.66 - Step 5: Solve for x
x = 3,020,882,660,912.66/1,942,676.18 - Step 6: Final answer
x = 1,555,010.92
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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.