Finding the Fourth Proportional to 5,199,942.30, 7,783,565.63 and 3,571,174.05
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Solution
The fourth proportional to 5,199,942.30, 7,783,565.63 and 3,571,174.05 is: 5,345,533.85
Step by Step Solution
- Step 1: Write the proportion equation
5,199,942.30 : 7,783,565.63 = 3,571,174.05 : x - Step 2: Convert to fraction form
5,199,942.30/7,783,565.63 = 3,571,174.05/x - Step 3: Cross multiply
5,199,942.30x = 7,783,565.63 × 3,571,174.05 - Step 4: Simplify right side
5,199,942.30x = 27,796,467,576,472.03 - Step 5: Solve for x
x = 27,796,467,576,472.03/5,199,942.30 - Step 6: Final answer
x = 5,345,533.85
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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.