Finding the Fourth Proportional to 5,639,591.68, 7,782,583.36 and 3,061,217.28
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Solution
The fourth proportional to 5,639,591.68, 7,782,583.36 and 3,061,217.28 is: 4,224,450.99
Step by Step Solution
- Step 1: Write the proportion equation
5,639,591.68 : 7,782,583.36 = 3,061,217.28 : x - Step 2: Convert to fraction form
5,639,591.68/7,782,583.36 = 3,061,217.28/x - Step 3: Cross multiply
5,639,591.68x = 7,782,583.36 × 3,061,217.28 - Step 4: Simplify right side
5,639,591.68x = 23,824,178,664,672.46 - Step 5: Solve for x
x = 23,824,178,664,672.46/5,639,591.68 - Step 6: Final answer
x = 4,224,450.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.