Finding the Fourth Proportional to 5,132,620.44, 7,082,274.60 and 2,840,775.66
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Solution
The fourth proportional to 5,132,620.44, 7,082,274.60 and 2,840,775.66 is: 3,919,859.95
Step by Step Solution
- Step 1: Write the proportion equation
5,132,620.44 : 7,082,274.60 = 2,840,775.66 : x - Step 2: Convert to fraction form
5,132,620.44/7,082,274.60 = 2,840,775.66/x - Step 3: Cross multiply
5,132,620.44x = 7,082,274.60 × 2,840,775.66 - Step 4: Simplify right side
5,132,620.44x = 20,119,153,301,116.23 - Step 5: Solve for x
x = 20,119,153,301,116.23/5,132,620.44 - Step 6: Final answer
x = 3,919,859.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.