Finding the Fourth Proportional to 3,800,676.96, 5,244,747.12 and 2,081,805.12
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Solution
The fourth proportional to 3,800,676.96, 5,244,747.12 and 2,081,805.12 is: 2,872,788.59
Step by Step Solution
- Step 1: Write the proportion equation
3,800,676.96 : 5,244,747.12 = 2,081,805.12 : x - Step 2: Convert to fraction form
3,800,676.96/5,244,747.12 = 2,081,805.12/x - Step 3: Cross multiply
3,800,676.96x = 5,244,747.12 × 2,081,805.12 - Step 4: Simplify right side
3,800,676.96x = 10,918,541,407,521.26 - Step 5: Solve for x
x = 10,918,541,407,521.26/3,800,676.96 - Step 6: Final answer
x = 2,872,788.59
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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.