Finding the Fourth Proportional to 3,834,618.84, 5,291,942.76 and 2,203,537.14
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Solution
The fourth proportional to 3,834,618.84, 5,291,942.76 and 2,203,537.14 is: 3,040,978.23
Step by Step Solution
- Step 1: Write the proportion equation
3,834,618.84 : 5,291,942.76 = 2,203,537.14 : x - Step 2: Convert to fraction form
3,834,618.84/5,291,942.76 = 2,203,537.14/x - Step 3: Cross multiply
3,834,618.84x = 5,291,942.76 × 2,203,537.14 - Step 4: Simplify right side
3,834,618.84x = 11,660,992,414,414.11 - Step 5: Solve for x
x = 11,660,992,414,414.11/3,834,618.84 - Step 6: Final answer
x = 3,040,978.23
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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.