Finding the Fourth Proportional to 5,388,245.14, 8,083,432.44 and 1,976,563.42
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Solution
The fourth proportional to 5,388,245.14, 8,083,432.44 and 1,976,563.42 is: 2,965,235.70
Step by Step Solution
- Step 1: Write the proportion equation
5,388,245.14 : 8,083,432.44 = 1,976,563.42 : x - Step 2: Convert to fraction form
5,388,245.14/8,083,432.44 = 1,976,563.42/x - Step 3: Cross multiply
5,388,245.14x = 8,083,432.44 × 1,976,563.42 - Step 4: Simplify right side
5,388,245.14x = 15,977,416,868,945.35 - Step 5: Solve for x
x = 15,977,416,868,945.35/5,388,245.14 - Step 6: Final answer
x = 2,965,235.70
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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.