Finding the Fourth Proportional to 4,079,938.20, 6,121,413.90 and 1,683,990.60
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Solution
The fourth proportional to 4,079,938.20, 6,121,413.90 and 1,683,990.60 is: 2,526,607.75
Step by Step Solution
- Step 1: Write the proportion equation
4,079,938.20 : 6,121,413.90 = 1,683,990.60 : x - Step 2: Convert to fraction form
4,079,938.20/6,121,413.90 = 1,683,990.60/x - Step 3: Cross multiply
4,079,938.20x = 6,121,413.90 × 1,683,990.60 - Step 4: Simplify right side
4,079,938.20x = 10,308,403,466,309.34 - Step 5: Solve for x
x = 10,308,403,466,309.34/4,079,938.20 - Step 6: Final answer
x = 2,526,607.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.