Finding the Fourth Proportional to 2,651,174.40, 3,977,344.80 and 854,140.80
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Solution
The fourth proportional to 2,651,174.40, 3,977,344.80 and 854,140.80 is: 1,281,399.09
Step by Step Solution
- Step 1: Write the proportion equation
2,651,174.40 : 3,977,344.80 = 854,140.80 : x - Step 2: Convert to fraction form
2,651,174.40/3,977,344.80 = 854,140.80/x - Step 3: Cross multiply
2,651,174.40x = 3,977,344.80 × 854,140.80 - Step 4: Simplify right side
2,651,174.40x = 3,397,212,469,347.84 - Step 5: Solve for x
x = 3,397,212,469,347.84/2,651,174.40 - Step 6: Final answer
x = 1,281,399.09
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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.