Finding the Fourth Proportional to 4,467,680.78, 6,700,413.96 and 1,272,834.62
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Solution
The fourth proportional to 4,467,680.78, 6,700,413.96 and 1,272,834.62 is: 1,908,936.49
Step by Step Solution
- Step 1: Write the proportion equation
4,467,680.78 : 6,700,413.96 = 1,272,834.62 : x - Step 2: Convert to fraction form
4,467,680.78/6,700,413.96 = 1,272,834.62/x - Step 3: Cross multiply
4,467,680.78x = 6,700,413.96 × 1,272,834.62 - Step 4: Simplify right side
4,467,680.78x = 8,528,518,856,619.30 - Step 5: Solve for x
x = 8,528,518,856,619.30/4,467,680.78 - Step 6: Final answer
x = 1,908,936.49
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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.