Finding the Fourth Proportional to 5,292,879.70, 7,939,793.14 and 2,054,341.44
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Solution
The fourth proportional to 5,292,879.70, 7,939,793.14 and 2,054,341.44 is: 3,081,695.98
Step by Step Solution
- Step 1: Write the proportion equation
5,292,879.70 : 7,939,793.14 = 2,054,341.44 : x - Step 2: Convert to fraction form
5,292,879.70/7,939,793.14 = 2,054,341.44/x - Step 3: Cross multiply
5,292,879.70x = 7,939,793.14 × 2,054,341.44 - Step 4: Simplify right side
5,292,879.70x = 16,311,046,072,529.72 - Step 5: Solve for x
x = 16,311,046,072,529.72/5,292,879.70 - Step 6: Final answer
x = 3,081,695.98
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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.