Finding the Fourth Proportional to 3,860,481.36, 5,786,956.74 and 1,838,181.90
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Solution
The fourth proportional to 3,860,481.36, 5,786,956.74 and 1,838,181.90 is: 2,755,479.99
Step by Step Solution
- Step 1: Write the proportion equation
3,860,481.36 : 5,786,956.74 = 1,838,181.90 : x - Step 2: Convert to fraction form
3,860,481.36/5,786,956.74 = 1,838,181.90/x - Step 3: Cross multiply
3,860,481.36x = 5,786,956.74 × 1,838,181.90 - Step 4: Simplify right side
3,860,481.36x = 10,637,479,135,551.01 - Step 5: Solve for x
x = 10,637,479,135,551.01/3,860,481.36 - Step 6: Final answer
x = 2,755,479.99
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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.