Finding the Fourth Proportional to 2,647,147.04, 3,971,163.36 and 2,078,505.12
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Solution
The fourth proportional to 2,647,147.04, 3,971,163.36 and 2,078,505.12 is: 3,118,105.36
Step by Step Solution
- Step 1: Write the proportion equation
2,647,147.04 : 3,971,163.36 = 2,078,505.12 : x - Step 2: Convert to fraction form
2,647,147.04/3,971,163.36 = 2,078,505.12/x - Step 3: Cross multiply
2,647,147.04x = 3,971,163.36 × 2,078,505.12 - Step 4: Simplify right side
2,647,147.04x = 8,254,083,376,116.40 - Step 5: Solve for x
x = 8,254,083,376,116.40/2,647,147.04 - Step 6: Final answer
x = 3,118,105.36
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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.