Finding the Fourth Proportional to 5,259,627.12, 7,894,289.94 and 2,667,751.05
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Solution
The fourth proportional to 5,259,627.12, 7,894,289.94 and 2,667,751.05 is: 4,004,086.18
Step by Step Solution
- Step 1: Write the proportion equation
5,259,627.12 : 7,894,289.94 = 2,667,751.05 : x - Step 2: Convert to fraction form
5,259,627.12/7,894,289.94 = 2,667,751.05/x - Step 3: Cross multiply
5,259,627.12x = 7,894,289.94 × 2,667,751.05 - Step 4: Simplify right side
5,259,627.12x = 21,060,000,276,439.44 - Step 5: Solve for x
x = 21,060,000,276,439.44/5,259,627.12 - Step 6: Final answer
x = 4,004,086.18
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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.