Finding the Fourth Proportional to 2,527,672.80, 3,791,509.20 and 2,228,491.20
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Solution
The fourth proportional to 2,527,672.80, 3,791,509.20 and 2,228,491.20 is: 3,342,736.80
Step by Step Solution
- Step 1: Write the proportion equation
2,527,672.80 : 3,791,509.20 = 2,228,491.20 : x - Step 2: Convert to fraction form
2,527,672.80/3,791,509.20 = 2,228,491.20/x - Step 3: Cross multiply
2,527,672.80x = 3,791,509.20 × 2,228,491.20 - Step 4: Simplify right side
2,527,672.80x = 8,449,344,886,919.04 - Step 5: Solve for x
x = 8,449,344,886,919.04/2,527,672.80 - Step 6: Final answer
x = 3,342,736.80
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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.