Finding the Fourth Proportional to 3,957,899.07, 5,461,911.24 and 2,147,063.07
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Solution
The fourth proportional to 3,957,899.07, 5,461,911.24 and 2,147,063.07 is: 2,962,952.75
Step by Step Solution
- Step 1: Write the proportion equation
3,957,899.07 : 5,461,911.24 = 2,147,063.07 : x - Step 2: Convert to fraction form
3,957,899.07/5,461,911.24 = 2,147,063.07/x - Step 3: Cross multiply
3,957,899.07x = 5,461,911.24 × 2,147,063.07 - Step 4: Simplify right side
3,957,899.07x = 11,727,067,915,021.91 - Step 5: Solve for x
x = 11,727,067,915,021.91/3,957,899.07 - Step 6: Final answer
x = 2,962,952.75
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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.