Finding the Fourth Proportional to 5,905,409.24, 8,149,464.86 and 3,189,155.24
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Solution
The fourth proportional to 5,905,409.24, 8,149,464.86 and 3,189,155.24 is: 4,401,034.28
Step by Step Solution
- Step 1: Write the proportion equation
5,905,409.24 : 8,149,464.86 = 3,189,155.24 : x - Step 2: Convert to fraction form
5,905,409.24/8,149,464.86 = 3,189,155.24/x - Step 3: Cross multiply
5,905,409.24x = 8,149,464.86 × 3,189,155.24 - Step 4: Simplify right side
5,905,409.24x = 25,989,908,504,771.77 - Step 5: Solve for x
x = 25,989,908,504,771.77/5,905,409.24 - Step 6: Final answer
x = 4,401,034.28
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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.