Finding the Fourth Proportional to 5,458,663.20, 8,193,243.60 and 2,766,028.80
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Solution
The fourth proportional to 5,458,663.20, 8,193,243.60 and 2,766,028.80 is: 4,151,702.89
Step by Step Solution
- Step 1: Write the proportion equation
5,458,663.20 : 8,193,243.60 = 2,766,028.80 : x - Step 2: Convert to fraction form
5,458,663.20/8,193,243.60 = 2,766,028.80/x - Step 3: Cross multiply
5,458,663.20x = 8,193,243.60 × 2,766,028.80 - Step 4: Simplify right side
5,458,663.20x = 22,662,747,763,015.68 - Step 5: Solve for x
x = 22,662,747,763,015.68/5,458,663.20 - Step 6: Final answer
x = 4,151,702.89
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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.