Finding the Fourth Proportional to 4,527,538.99, 6,783,336.51 and 4,257,832.66
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Solution
The fourth proportional to 4,527,538.99, 6,783,336.51 and 4,257,832.66 is: 6,379,251.91
Step by Step Solution
- Step 1: Write the proportion equation
4,527,538.99 : 6,783,336.51 = 4,257,832.66 : x - Step 2: Convert to fraction form
4,527,538.99/6,783,336.51 = 4,257,832.66/x - Step 3: Cross multiply
4,527,538.99x = 6,783,336.51 × 4,257,832.66 - Step 4: Simplify right side
4,527,538.99x = 28,882,311,736,048.42 - Step 5: Solve for x
x = 28,882,311,736,048.42/4,527,538.99 - Step 6: Final answer
x = 6,379,251.91
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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.