Finding the Fourth Proportional to 3,771,948.28, 5,206,289.76 and 2,322,858.64
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Solution
The fourth proportional to 3,771,948.28, 5,206,289.76 and 2,322,858.64 is: 3,206,161.45
Step by Step Solution
- Step 1: Write the proportion equation
3,771,948.28 : 5,206,289.76 = 2,322,858.64 : x - Step 2: Convert to fraction form
3,771,948.28/5,206,289.76 = 2,322,858.64/x - Step 3: Cross multiply
3,771,948.28x = 5,206,289.76 × 2,322,858.64 - Step 4: Simplify right side
3,771,948.28x = 12,093,475,151,359.53 - Step 5: Solve for x
x = 12,093,475,151,359.53/3,771,948.28 - Step 6: Final answer
x = 3,206,161.45
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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.