Finding the Fourth Proportional to 3,889,125.20, 5,833,687.80 and 3,427,230.80
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Solution
The fourth proportional to 3,889,125.20, 5,833,687.80 and 3,427,230.80 is: 5,140,846.20
Step by Step Solution
- Step 1: Write the proportion equation
3,889,125.20 : 5,833,687.80 = 3,427,230.80 : x - Step 2: Convert to fraction form
3,889,125.20/5,833,687.80 = 3,427,230.80/x - Step 3: Cross multiply
3,889,125.20x = 5,833,687.80 × 3,427,230.80 - Step 4: Simplify right side
3,889,125.20x = 19,993,394,505,744.24 - Step 5: Solve for x
x = 19,993,394,505,744.24/3,889,125.20 - Step 6: Final answer
x = 5,140,846.20
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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.