Finding the Fourth Proportional to 6,972,137.20, 10,458,205.80 and 2,482,793.20
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Solution
The fourth proportional to 6,972,137.20, 10,458,205.80 and 2,482,793.20 is: 3,724,189.80
Step by Step Solution
- Step 1: Write the proportion equation
6,972,137.20 : 10,458,205.80 = 2,482,793.20 : x - Step 2: Convert to fraction form
6,972,137.20/10,458,205.80 = 2,482,793.20/x - Step 3: Cross multiply
6,972,137.20x = 10,458,205.80 × 2,482,793.20 - Step 4: Simplify right side
6,972,137.20x = 25,965,562,244,440.56 - Step 5: Solve for x
x = 25,965,562,244,440.56/6,972,137.20 - Step 6: Final answer
x = 3,724,189.80
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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.