Finding the Fourth Proportional to 3,882,325.20, 5,823,487.80 and 3,197,356.80
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Solution
The fourth proportional to 3,882,325.20, 5,823,487.80 and 3,197,356.80 is: 4,796,035.20
Step by Step Solution
- Step 1: Write the proportion equation
3,882,325.20 : 5,823,487.80 = 3,197,356.80 : x - Step 2: Convert to fraction form
3,882,325.20/5,823,487.80 = 3,197,356.80/x - Step 3: Cross multiply
3,882,325.20x = 5,823,487.80 × 3,197,356.80 - Step 4: Simplify right side
3,882,325.20x = 18,619,768,317,047.04 - Step 5: Solve for x
x = 18,619,768,317,047.04/3,882,325.20 - Step 6: Final answer
x = 4,796,035.20
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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.