Finding the Fourth Proportional to 2,600,497.20, 3,899,190.60 and 1,340,785.20
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Solution
The fourth proportional to 2,600,497.20, 3,899,190.60 and 1,340,785.20 is: 2,010,375.96
Step by Step Solution
- Step 1: Write the proportion equation
2,600,497.20 : 3,899,190.60 = 1,340,785.20 : x - Step 2: Convert to fraction form
2,600,497.20/3,899,190.60 = 1,340,785.20/x - Step 3: Cross multiply
2,600,497.20x = 3,899,190.60 × 1,340,785.20 - Step 4: Simplify right side
2,600,497.20x = 5,227,977,048,459.12 - Step 5: Solve for x
x = 5,227,977,048,459.12/2,600,497.20 - Step 6: Final answer
x = 2,010,375.96
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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.