Finding the Fourth Proportional to 3,124,441.20, 4,686,661.80 and 994,740.60
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Solution
The fourth proportional to 3,124,441.20, 4,686,661.80 and 994,740.60 is: 1,492,110.90
Step by Step Solution
- Step 1: Write the proportion equation
3,124,441.20 : 4,686,661.80 = 994,740.60 : x - Step 2: Convert to fraction form
3,124,441.20/4,686,661.80 = 994,740.60/x - Step 3: Cross multiply
3,124,441.20x = 4,686,661.80 × 994,740.60 - Step 4: Simplify right side
3,124,441.20x = 4,662,012,770,929.08 - Step 5: Solve for x
x = 4,662,012,770,929.08/3,124,441.20 - Step 6: Final answer
x = 1,492,110.90
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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.