Finding the Fourth Proportional to 3,618,912.09, 4,989,879.47 and 2,699,545.23
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Solution
The fourth proportional to 3,618,912.09, 4,989,879.47 and 2,699,545.23 is: 3,722,225.07
Step by Step Solution
- Step 1: Write the proportion equation
3,618,912.09 : 4,989,879.47 = 2,699,545.23 : x - Step 2: Convert to fraction form
3,618,912.09/4,989,879.47 = 2,699,545.23/x - Step 3: Cross multiply
3,618,912.09x = 4,989,879.47 × 2,699,545.23 - Step 4: Simplify right side
3,618,912.09x = 13,470,405,308,015.70 - Step 5: Solve for x
x = 13,470,405,308,015.70/3,618,912.09 - Step 6: Final answer
x = 3,722,225.07
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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.