Finding the Fourth Proportional to 5,393,618.10, 8,090,427.15 and 3,277,163.70
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Solution
The fourth proportional to 5,393,618.10, 8,090,427.15 and 3,277,163.70 is: 4,915,745.55
Step by Step Solution
- Step 1: Write the proportion equation
5,393,618.10 : 8,090,427.15 = 3,277,163.70 : x - Step 2: Convert to fraction form
5,393,618.10/8,090,427.15 = 3,277,163.70/x - Step 3: Cross multiply
5,393,618.10x = 8,090,427.15 × 3,277,163.70 - Step 4: Simplify right side
5,393,618.10x = 26,513,654,173,474.46 - Step 5: Solve for x
x = 26,513,654,173,474.46/5,393,618.10 - Step 6: Final answer
x = 4,915,745.55
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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.