Finding the Fourth Proportional to 2,202,605.85, 3,033,932.62 and 1,556,915.97
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Solution
The fourth proportional to 2,202,605.85, 3,033,932.62 and 1,556,915.97 is: 2,144,540.82
Step by Step Solution
- Step 1: Write the proportion equation
2,202,605.85 : 3,033,932.62 = 1,556,915.97 : x - Step 2: Convert to fraction form
2,202,605.85/3,033,932.62 = 1,556,915.97/x - Step 3: Cross multiply
2,202,605.85x = 3,033,932.62 × 1,556,915.97 - Step 4: Simplify right side
2,202,605.85x = 4,723,578,147,981.94 - Step 5: Solve for x
x = 4,723,578,147,981.94/2,202,605.85 - Step 6: Final answer
x = 2,144,540.82
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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.