Finding the Fourth Proportional to 5,532,043.20, 8,299,231.20 and 1,745,908.80
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Solution
The fourth proportional to 5,532,043.20, 8,299,231.20 and 1,745,908.80 is: 2,619,231.31
Step by Step Solution
- Step 1: Write the proportion equation
5,532,043.20 : 8,299,231.20 = 1,745,908.80 : x - Step 2: Convert to fraction form
5,532,043.20/8,299,231.20 = 1,745,908.80/x - Step 3: Cross multiply
5,532,043.20x = 8,299,231.20 × 1,745,908.80 - Step 4: Simplify right side
5,532,043.20x = 14,489,700,785,314.56 - Step 5: Solve for x
x = 14,489,700,785,314.56/5,532,043.20 - Step 6: Final answer
x = 2,619,231.31
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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.