Finding the Fourth Proportional to 5,107,614.98, 7,048,556.75 and 2,815,857.68
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Solution
The fourth proportional to 5,107,614.98, 7,048,556.75 and 2,815,857.68 is: 3,885,910.10
Step by Step Solution
- Step 1: Write the proportion equation
5,107,614.98 : 7,048,556.75 = 2,815,857.68 : x - Step 2: Convert to fraction form
5,107,614.98/7,048,556.75 = 2,815,857.68/x - Step 3: Cross multiply
5,107,614.98x = 7,048,556.75 × 2,815,857.68 - Step 4: Simplify right side
5,107,614.98x = 19,847,732,629,200.20 - Step 5: Solve for x
x = 19,847,732,629,200.20/5,107,614.98 - Step 6: Final answer
x = 3,885,910.10
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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.