Finding the Fourth Proportional to 2,750,733.20, 4,122,163.20 and 2,025,414.65
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Solution
The fourth proportional to 2,750,733.20, 4,122,163.20 and 2,025,414.65 is: 3,035,223.39
Step by Step Solution
- Step 1: Write the proportion equation
2,750,733.20 : 4,122,163.20 = 2,025,414.65 : x - Step 2: Convert to fraction form
2,750,733.20/4,122,163.20 = 2,025,414.65/x - Step 3: Cross multiply
2,750,733.20x = 4,122,163.20 × 2,025,414.65 - Step 4: Simplify right side
2,750,733.20x = 8,349,089,734,970.88 - Step 5: Solve for x
x = 8,349,089,734,970.88/2,750,733.20 - Step 6: Final answer
x = 3,035,223.39
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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.