Finding the Fourth Proportional to 2,685,231.42, 4,028,218.36 and 863,647.92
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Solution
The fourth proportional to 2,685,231.42, 4,028,218.36 and 863,647.92 is: 1,295,591.28
Step by Step Solution
- Step 1: Write the proportion equation
2,685,231.42 : 4,028,218.36 = 863,647.92 : x - Step 2: Convert to fraction form
2,685,231.42/4,028,218.36 = 863,647.92/x - Step 3: Cross multiply
2,685,231.42x = 4,028,218.36 × 863,647.92 - Step 4: Simplify right side
2,685,231.42x = 3,478,962,407,919.81 - Step 5: Solve for x
x = 3,478,962,407,919.81/2,685,231.42 - Step 6: Final answer
x = 1,295,591.28
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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.