Finding the Fourth Proportional to 4,574,531.55, 6,861,846.51 and 1,379,685.41
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Solution
The fourth proportional to 4,574,531.55, 6,861,846.51 and 1,379,685.41 is: 2,069,542.94
Step by Step Solution
- Step 1: Write the proportion equation
4,574,531.55 : 6,861,846.51 = 1,379,685.41 : x - Step 2: Convert to fraction form
4,574,531.55/6,861,846.51 = 1,379,685.41/x - Step 3: Cross multiply
4,574,531.55x = 6,861,846.51 × 1,379,685.41 - Step 4: Simplify right side
4,574,531.55x = 9,467,189,481,197.19 - Step 5: Solve for x
x = 9,467,189,481,197.19/4,574,531.55 - Step 6: Final answer
x = 2,069,542.94
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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.