Finding the Fourth Proportional to 3,190,883.99, 4,786,367.66 and 1,060,968.06
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Solution
The fourth proportional to 3,190,883.99, 4,786,367.66 and 1,060,968.06 is: 1,591,465.95
Step by Step Solution
- Step 1: Write the proportion equation
3,190,883.99 : 4,786,367.66 = 1,060,968.06 : x - Step 2: Convert to fraction form
3,190,883.99/4,786,367.66 = 1,060,968.06/x - Step 3: Cross multiply
3,190,883.99x = 4,786,367.66 × 1,060,968.06 - Step 4: Simplify right side
3,190,883.99x = 5,078,183,205,372.10 - Step 5: Solve for x
x = 5,078,183,205,372.10/3,190,883.99 - Step 6: Final answer
x = 1,591,465.95
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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.