Finding the Fourth Proportional to 6,181,879.04, 8,530,865.99 and 3,428,122.09
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Solution
The fourth proportional to 6,181,879.04, 8,530,865.99 and 3,428,122.09 is: 4,730,738.01
Step by Step Solution
- Step 1: Write the proportion equation
6,181,879.04 : 8,530,865.99 = 3,428,122.09 : x - Step 2: Convert to fraction form
6,181,879.04/8,530,865.99 = 3,428,122.09/x - Step 3: Cross multiply
6,181,879.04x = 8,530,865.99 × 3,428,122.09 - Step 4: Simplify right side
6,181,879.04x = 29,244,850,147,148.72 - Step 5: Solve for x
x = 29,244,850,147,148.72/6,181,879.04 - Step 6: Final answer
x = 4,730,738.01
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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.