Finding the Fourth Proportional to 3,707,620.60, 5,556,765.30 and 3,287,716.60
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Solution
The fourth proportional to 3,707,620.60, 5,556,765.30 and 3,287,716.60 is: 4,927,437.70
Step by Step Solution
- Step 1: Write the proportion equation
3,707,620.60 : 5,556,765.30 = 3,287,716.60 : x - Step 2: Convert to fraction form
3,707,620.60/5,556,765.30 = 3,287,716.60/x - Step 3: Cross multiply
3,707,620.60x = 5,556,765.30 × 3,287,716.60 - Step 4: Simplify right side
3,707,620.60x = 18,269,069,519,113.98 - Step 5: Solve for x
x = 18,269,069,519,113.98/3,707,620.60 - Step 6: Final answer
x = 4,927,437.70
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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.