Finding the Fourth Proportional to 5,183,840.87, 7,775,470.67 and 1,589,597.97
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Solution
The fourth proportional to 5,183,840.87, 7,775,470.67 and 1,589,597.97 is: 2,384,307.83
Step by Step Solution
- Step 1: Write the proportion equation
5,183,840.87 : 7,775,470.67 = 1,589,597.97 : x - Step 2: Convert to fraction form
5,183,840.87/7,775,470.67 = 1,589,597.97/x - Step 3: Cross multiply
5,183,840.87x = 7,775,470.67 × 1,589,597.97 - Step 4: Simplify right side
5,183,840.87x = 12,359,872,355,720.54 - Step 5: Solve for x
x = 12,359,872,355,720.54/5,183,840.87 - Step 6: Final answer
x = 2,384,307.83
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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.