Finding the Fourth Proportional to 5,483,621.21, 8,228,232.56 and 3,663,230.75
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Solution
The fourth proportional to 5,483,621.21, 8,228,232.56 and 3,663,230.75 is: 5,496,717.10
Step by Step Solution
- Step 1: Write the proportion equation
5,483,621.21 : 8,228,232.56 = 3,663,230.75 : x - Step 2: Convert to fraction form
5,483,621.21/8,228,232.56 = 3,663,230.75/x - Step 3: Cross multiply
5,483,621.21x = 8,228,232.56 × 3,663,230.75 - Step 4: Simplify right side
5,483,621.21x = 30,141,914,472,485.90 - Step 5: Solve for x
x = 30,141,914,472,485.90/5,483,621.21 - Step 6: Final answer
x = 5,496,717.10
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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.