Finding the Fourth Proportional to 5,120,935.24, 7,683,468.42 and 2,279,103.64
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Solution
The fourth proportional to 5,120,935.24, 7,683,468.42 and 2,279,103.64 is: 3,419,574.75
Step by Step Solution
- Step 1: Write the proportion equation
5,120,935.24 : 7,683,468.42 = 2,279,103.64 : x - Step 2: Convert to fraction form
5,120,935.24/7,683,468.42 = 2,279,103.64/x - Step 3: Cross multiply
5,120,935.24x = 7,683,468.42 × 2,279,103.64 - Step 4: Simplify right side
5,120,935.24x = 17,511,420,843,847.05 - Step 5: Solve for x
x = 17,511,420,843,847.05/5,120,935.24 - Step 6: Final answer
x = 3,419,574.75
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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.