Finding the Fourth Proportional to 6,120,589.79, 8,446,413.71 and 3,367,217.94
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Solution
The fourth proportional to 6,120,589.79, 8,446,413.71 and 3,367,217.94 is: 4,646,760.65
Step by Step Solution
- Step 1: Write the proportion equation
6,120,589.79 : 8,446,413.71 = 3,367,217.94 : x - Step 2: Convert to fraction form
6,120,589.79/8,446,413.71 = 3,367,217.94/x - Step 3: Cross multiply
6,120,589.79x = 8,446,413.71 × 3,367,217.94 - Step 4: Simplify right side
6,120,589.79x = 28,440,915,756,137.87 - Step 5: Solve for x
x = 28,440,915,756,137.87/6,120,589.79 - Step 6: Final answer
x = 4,646,760.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.