Finding the Fourth Proportional to 3,898,860.24, 5,378,266.26 and 2,267,087.88
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Solution
The fourth proportional to 3,898,860.24, 5,378,266.26 and 2,267,087.88 is: 3,127,324.78
Step by Step Solution
- Step 1: Write the proportion equation
3,898,860.24 : 5,378,266.26 = 2,267,087.88 : x - Step 2: Convert to fraction form
3,898,860.24/5,378,266.26 = 2,267,087.88/x - Step 3: Cross multiply
3,898,860.24x = 5,378,266.26 × 2,267,087.88 - Step 4: Simplify right side
3,898,860.24x = 12,193,002,253,458.93 - Step 5: Solve for x
x = 12,193,002,253,458.93/3,898,860.24 - Step 6: Final answer
x = 3,127,324.78
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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.