Finding the Fourth Proportional to 3,670,309.91, 5,505,520.34 and 1,274,230.68
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Solution
The fourth proportional to 3,670,309.91, 5,505,520.34 and 1,274,230.68 is: 1,911,365.28
Step by Step Solution
- Step 1: Write the proportion equation
3,670,309.91 : 5,505,520.34 = 1,274,230.68 : x - Step 2: Convert to fraction form
3,670,309.91/5,505,520.34 = 1,274,230.68/x - Step 3: Cross multiply
3,670,309.91x = 5,505,520.34 × 1,274,230.68 - Step 4: Simplify right side
3,670,309.91x = 7,015,302,929,777.61 - Step 5: Solve for x
x = 7,015,302,929,777.61/3,670,309.91 - Step 6: Final answer
x = 1,911,365.28
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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.