Finding the Fourth Proportional to 2,660,344.20, 3,989,738.70 and 954,289.80
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Solution
The fourth proportional to 2,660,344.20, 3,989,738.70 and 954,289.80 is: 1,431,155.77
Step by Step Solution
- Step 1: Write the proportion equation
2,660,344.20 : 3,989,738.70 = 954,289.80 : x - Step 2: Convert to fraction form
2,660,344.20/3,989,738.70 = 954,289.80/x - Step 3: Cross multiply
2,660,344.20x = 3,989,738.70 × 954,289.80 - Step 4: Simplify right side
2,660,344.20x = 3,807,366,946,075.26 - Step 5: Solve for x
x = 3,807,366,946,075.26/2,660,344.20 - Step 6: Final answer
x = 1,431,155.77
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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.