Finding the Fourth Proportional to 3,872,882.96, 5,344,548.36 and 2,130,514.64
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Solution
The fourth proportional to 3,872,882.96, 5,344,548.36 and 2,130,514.64 is: 2,940,093.63
Step by Step Solution
- Step 1: Write the proportion equation
3,872,882.96 : 5,344,548.36 = 2,130,514.64 : x - Step 2: Convert to fraction form
3,872,882.96/5,344,548.36 = 2,130,514.64/x - Step 3: Cross multiply
3,872,882.96x = 5,344,548.36 × 2,130,514.64 - Step 4: Simplify right side
3,872,882.96x = 11,386,638,525,167.99 - Step 5: Solve for x
x = 11,386,638,525,167.99/3,872,882.96 - Step 6: Final answer
x = 2,940,093.63
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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.