Finding the Fourth Proportional to 5,212,715.44, 7,189,280.73 and 3,669,086.68
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Solution
The fourth proportional to 5,212,715.44, 7,189,280.73 and 3,669,086.68 is: 5,060,336.49
Step by Step Solution
- Step 1: Write the proportion equation
5,212,715.44 : 7,189,280.73 = 3,669,086.68 : x - Step 2: Convert to fraction form
5,212,715.44/7,189,280.73 = 3,669,086.68/x - Step 3: Cross multiply
5,212,715.44x = 7,189,280.73 × 3,669,086.68 - Step 4: Simplify right side
5,212,715.44x = 26,378,094,165,223.68 - Step 5: Solve for x
x = 26,378,094,165,223.68/5,212,715.44 - Step 6: Final answer
x = 5,060,336.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.