Finding the Fourth Proportional to 5,992,766.40, 8,989,149.60 and 3,977,227.20
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Solution
The fourth proportional to 5,992,766.40, 8,989,149.60 and 3,977,227.20 is: 5,965,840.80
Step by Step Solution
- Step 1: Write the proportion equation
5,992,766.40 : 8,989,149.60 = 3,977,227.20 : x - Step 2: Convert to fraction form
5,992,766.40/8,989,149.60 = 3,977,227.20/x - Step 3: Cross multiply
5,992,766.40x = 8,989,149.60 × 3,977,227.20 - Step 4: Simplify right side
5,992,766.40x = 35,751,890,293,989.12 - Step 5: Solve for x
x = 35,751,890,293,989.12/5,992,766.40 - Step 6: Final answer
x = 5,965,840.80
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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.