Finding the Fourth Proportional to 2,085,501.12, 3,128,306.35 and 665,556.13
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Solution
The fourth proportional to 2,085,501.12, 3,128,306.35 and 665,556.13 is: 998,351.64
Step by Step Solution
- Step 1: Write the proportion equation
2,085,501.12 : 3,128,306.35 = 665,556.13 : x - Step 2: Convert to fraction form
2,085,501.12/3,128,306.35 = 665,556.13/x - Step 3: Cross multiply
2,085,501.12x = 3,128,306.35 × 665,556.13 - Step 4: Simplify right side
2,085,501.12x = 2,082,063,467,760.43 - Step 5: Solve for x
x = 2,082,063,467,760.43/2,085,501.12 - Step 6: Final answer
x = 998,351.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.