Finding the Fourth Proportional to 5,507,319.36, 8,257,771.52 and 2,137,589.76
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Solution
The fourth proportional to 5,507,319.36, 8,257,771.52 and 2,137,589.76 is: 3,205,139.69
Step by Step Solution
- Step 1: Write the proportion equation
5,507,319.36 : 8,257,771.52 = 2,137,589.76 : x - Step 2: Convert to fraction form
5,507,319.36/8,257,771.52 = 2,137,589.76/x - Step 3: Cross multiply
5,507,319.36x = 8,257,771.52 × 2,137,589.76 - Step 4: Simplify right side
5,507,319.36x = 17,651,727,841,571.63 - Step 5: Solve for x
x = 17,651,727,841,571.63/5,507,319.36 - Step 6: Final answer
x = 3,205,139.69
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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.