Finding the Fourth Proportional to 6,533,977.21, 9,794,568.39 and 3,656,749.12
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Solution
The fourth proportional to 6,533,977.21, 9,794,568.39 and 3,656,749.12 is: 5,481,543.35
Step by Step Solution
- Step 1: Write the proportion equation
6,533,977.21 : 9,794,568.39 = 3,656,749.12 : x - Step 2: Convert to fraction form
6,533,977.21/9,794,568.39 = 3,656,749.12/x - Step 3: Cross multiply
6,533,977.21x = 9,794,568.39 × 3,656,749.12 - Step 4: Simplify right side
6,533,977.21x = 35,816,279,340,912.32 - Step 5: Solve for x
x = 35,816,279,340,912.32/6,533,977.21 - Step 6: Final answer
x = 5,481,543.35
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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.