Finding the Fourth Proportional to 1,682,911.20, 2,322,430.08 and 957,814.08
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Solution
The fourth proportional to 1,682,911.20, 2,322,430.08 and 957,814.08 is: 1,321,790.62
Step by Step Solution
- Step 1: Write the proportion equation
1,682,911.20 : 2,322,430.08 = 957,814.08 : x - Step 2: Convert to fraction form
1,682,911.20/2,322,430.08 = 957,814.08/x - Step 3: Cross multiply
1,682,911.20x = 2,322,430.08 × 957,814.08 - Step 4: Simplify right side
1,682,911.20x = 2,224,456,230,439.53 - Step 5: Solve for x
x = 2,224,456,230,439.53/1,682,911.20 - Step 6: Final answer
x = 1,321,790.62
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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.