Finding the Fourth Proportional to 5,578,658.15, 8,364,167.05 and 2,840,906.05
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Solution
The fourth proportional to 5,578,658.15, 8,364,167.05 and 2,840,906.05 is: 4,259,413.67
Step by Step Solution
- Step 1: Write the proportion equation
5,578,658.15 : 8,364,167.05 = 2,840,906.05 : x - Step 2: Convert to fraction form
5,578,658.15/8,364,167.05 = 2,840,906.05/x - Step 3: Cross multiply
5,578,658.15x = 8,364,167.05 × 2,840,906.05 - Step 4: Simplify right side
5,578,658.15x = 23,761,812,776,393.89 - Step 5: Solve for x
x = 23,761,812,776,393.89/5,578,658.15 - Step 6: Final answer
x = 4,259,413.67
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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.