Finding the Fourth Proportional to 3,649,644.48, 5,474,599.20 and 1,253,475.12
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Solution
The fourth proportional to 3,649,644.48, 5,474,599.20 and 1,253,475.12 is: 1,880,258.18
Step by Step Solution
- Step 1: Write the proportion equation
3,649,644.48 : 5,474,599.20 = 1,253,475.12 : x - Step 2: Convert to fraction form
3,649,644.48/5,474,599.20 = 1,253,475.12/x - Step 3: Cross multiply
3,649,644.48x = 5,474,599.20 × 1,253,475.12 - Step 4: Simplify right side
3,649,644.48x = 6,862,273,889,171.91 - Step 5: Solve for x
x = 6,862,273,889,171.91/3,649,644.48 - Step 6: Final answer
x = 1,880,258.18
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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.