Finding the Fourth Proportional to 1,347,413.40, 2,021,120.10 and 922,260.60
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Solution
The fourth proportional to 1,347,413.40, 2,021,120.10 and 922,260.60 is: 1,383,390.90
Step by Step Solution
- Step 1: Write the proportion equation
1,347,413.40 : 2,021,120.10 = 922,260.60 : x - Step 2: Convert to fraction form
1,347,413.40/2,021,120.10 = 922,260.60/x - Step 3: Cross multiply
1,347,413.40x = 2,021,120.10 × 922,260.60 - Step 4: Simplify right side
1,347,413.40x = 1,863,999,436,098.06 - Step 5: Solve for x
x = 1,863,999,436,098.06/1,347,413.40 - Step 6: Final answer
x = 1,383,390.90
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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.