Finding the Fourth Proportional to 5,431,882.47, 8,148,413.97 and 2,019,768.81
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Solution
The fourth proportional to 5,431,882.47, 8,148,413.97 and 2,019,768.81 is: 3,029,872.70
Step by Step Solution
- Step 1: Write the proportion equation
5,431,882.47 : 8,148,413.97 = 2,019,768.81 : x - Step 2: Convert to fraction form
5,431,882.47/8,148,413.97 = 2,019,768.81/x - Step 3: Cross multiply
5,431,882.47x = 8,148,413.97 × 2,019,768.81 - Step 4: Simplify right side
5,431,882.47x = 16,457,912,387,574.28 - Step 5: Solve for x
x = 16,457,912,387,574.28/5,431,882.47 - Step 6: Final answer
x = 3,029,872.70
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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.