Finding the Fourth Proportional to 5,431,749.02, 8,151,360.42 and 2,236,874.96
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Solution
The fourth proportional to 5,431,749.02, 8,151,360.42 and 2,236,874.96 is: 3,356,851.35
Step by Step Solution
- Step 1: Write the proportion equation
5,431,749.02 : 8,151,360.42 = 2,236,874.96 : x - Step 2: Convert to fraction form
5,431,749.02/8,151,360.42 = 2,236,874.96/x - Step 3: Cross multiply
5,431,749.02x = 8,151,360.42 × 2,236,874.96 - Step 4: Simplify right side
5,431,749.02x = 18,233,574,013,433.08 - Step 5: Solve for x
x = 18,233,574,013,433.08/5,431,749.02 - Step 6: Final answer
x = 3,356,851.35
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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.