Finding the Fourth Proportional to 3,828,871.24, 5,283,774.24 and 2,086,556.20
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Solution
The fourth proportional to 3,828,871.24, 5,283,774.24 and 2,086,556.20 is: 2,879,410.46
Step by Step Solution
- Step 1: Write the proportion equation
3,828,871.24 : 5,283,774.24 = 2,086,556.20 : x - Step 2: Convert to fraction form
3,828,871.24/5,283,774.24 = 2,086,556.20/x - Step 3: Cross multiply
3,828,871.24x = 5,283,774.24 × 2,086,556.20 - Step 4: Simplify right side
3,828,871.24x = 11,024,891,899,872.29 - Step 5: Solve for x
x = 11,024,891,899,872.29/3,828,871.24 - Step 6: Final answer
x = 2,879,410.46
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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.