Finding the Fourth Proportional to 6,291,893.06, 9,391,906.39 and 5,399,072.18
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Solution
The fourth proportional to 6,291,893.06, 9,391,906.39 and 5,399,072.18 is: 8,059,193.00
Step by Step Solution
- Step 1: Write the proportion equation
6,291,893.06 : 9,391,906.39 = 5,399,072.18 : x - Step 2: Convert to fraction form
6,291,893.06/9,391,906.39 = 5,399,072.18/x - Step 3: Cross multiply
6,291,893.06x = 9,391,906.39 × 5,399,072.18 - Step 4: Simplify right side
6,291,893.06x = 50,707,580,507,413.23 - Step 5: Solve for x
x = 50,707,580,507,413.23/6,291,893.06 - Step 6: Final answer
x = 8,059,193.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.