Finding the Fourth Proportional to 1,682,619.76, 2,322,219 and 957,643.84
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Solution
The fourth proportional to 1,682,619.76, 2,322,219 and 957,643.84 is: 1,321,664.45
Step by Step Solution
- Step 1: Write the proportion equation
1,682,619.76 : 2,322,219 = 957,643.84 : x - Step 2: Convert to fraction form
1,682,619.76/2,322,219 = 957,643.84/x - Step 3: Cross multiply
1,682,619.76x = 2,322,219 × 957,643.84 - Step 4: Simplify right side
1,682,619.76x = 2,223,858,720,480.96 - Step 5: Solve for x
x = 2,223,858,720,480.96/1,682,619.76 - Step 6: Final answer
x = 1,321,664.45
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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.