Finding the Fourth Proportional to 3,121,744.96, 4,682,064.61 and 847,445.99
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Solution
The fourth proportional to 3,121,744.96, 4,682,064.61 and 847,445.99 is: 1,271,018.91
Step by Step Solution
- Step 1: Write the proportion equation
3,121,744.96 : 4,682,064.61 = 847,445.99 : x - Step 2: Convert to fraction form
3,121,744.96/4,682,064.61 = 847,445.99/x - Step 3: Cross multiply
3,121,744.96x = 4,682,064.61 × 847,445.99 - Step 4: Simplify right side
3,121,744.96x = 3,967,796,874,428.18 - Step 5: Solve for x
x = 3,967,796,874,428.18/3,121,744.96 - Step 6: Final answer
x = 1,271,018.91
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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.