Finding the Fourth Proportional to 3,149,163.20, 4,723,744.80 and 2,028,497.60
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Solution
The fourth proportional to 3,149,163.20, 4,723,744.80 and 2,028,497.60 is: 3,042,746.40
Step by Step Solution
- Step 1: Write the proportion equation
3,149,163.20 : 4,723,744.80 = 2,028,497.60 : x - Step 2: Convert to fraction form
3,149,163.20/4,723,744.80 = 2,028,497.60/x - Step 3: Cross multiply
3,149,163.20x = 4,723,744.80 × 2,028,497.60 - Step 4: Simplify right side
3,149,163.20x = 9,582,104,989,812.48 - Step 5: Solve for x
x = 9,582,104,989,812.48/3,149,163.20 - Step 6: Final answer
x = 3,042,746.40
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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.