Finding the Fourth Proportional to 4,838,793.90, 7,251,192.45 and 2,140,910.70
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Solution
The fourth proportional to 4,838,793.90, 7,251,192.45 and 2,140,910.70 is: 3,208,269.63
Step by Step Solution
- Step 1: Write the proportion equation
4,838,793.90 : 7,251,192.45 = 2,140,910.70 : x - Step 2: Convert to fraction form
4,838,793.90/7,251,192.45 = 2,140,910.70/x - Step 3: Cross multiply
4,838,793.90x = 7,251,192.45 × 2,140,910.70 - Step 4: Simplify right side
4,838,793.90x = 15,524,155,503,964.22 - Step 5: Solve for x
x = 15,524,155,503,964.22/4,838,793.90 - Step 6: Final answer
x = 3,208,269.63
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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.