Finding the Fourth Proportional to 3,259,802.70, 4,889,704.05 and 3,236,183.10
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Solution
The fourth proportional to 3,259,802.70, 4,889,704.05 and 3,236,183.10 is: 4,854,274.65
Step by Step Solution
- Step 1: Write the proportion equation
3,259,802.70 : 4,889,704.05 = 3,236,183.10 : x - Step 2: Convert to fraction form
3,259,802.70/4,889,704.05 = 3,236,183.10/x - Step 3: Cross multiply
3,259,802.70x = 4,889,704.05 × 3,236,183.10 - Step 4: Simplify right side
3,259,802.70x = 15,823,977,610,611.55 - Step 5: Solve for x
x = 15,823,977,610,611.55/3,259,802.70 - Step 6: Final answer
x = 4,854,274.65
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Double scale
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Similar ratio
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1.5x scale
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.