Finding the Fourth Proportional to 2,340,452.80, 3,511,845.60 and 1,330,350.40
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Solution
The fourth proportional to 2,340,452.80, 3,511,845.60 and 1,330,350.40 is: 1,996,188.60
Step by Step Solution
- Step 1: Write the proportion equation
2,340,452.80 : 3,511,845.60 = 1,330,350.40 : x - Step 2: Convert to fraction form
2,340,452.80/3,511,845.60 = 1,330,350.40/x - Step 3: Cross multiply
2,340,452.80x = 3,511,845.60 × 1,330,350.40 - Step 4: Simplify right side
2,340,452.80x = 4,671,985,198,698.24 - Step 5: Solve for x
x = 4,671,985,198,698.24/2,340,452.80 - Step 6: Final answer
x = 1,996,188.60
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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.