Finding the Fourth Proportional to 1,438,324.69, 1,985,634.33 and 1,050,704.91
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Solution
The fourth proportional to 1,438,324.69, 1,985,634.33 and 1,050,704.91 is: 1,450,517.92
Step by Step Solution
- Step 1: Write the proportion equation
1,438,324.69 : 1,985,634.33 = 1,050,704.91 : x - Step 2: Convert to fraction form
1,438,324.69/1,985,634.33 = 1,050,704.91/x - Step 3: Cross multiply
1,438,324.69x = 1,985,634.33 × 1,050,704.91 - Step 4: Simplify right side
1,438,324.69x = 2,086,315,739,995.56 - Step 5: Solve for x
x = 2,086,315,739,995.56/1,438,324.69 - Step 6: Final answer
x = 1,450,517.92
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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.