Finding the Fourth Proportional to 1,682,778.21, 2,322,224.74 and 918,826.30
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Solution
The fourth proportional to 1,682,778.21, 2,322,224.74 and 918,826.30 is: 1,267,975.28
Step by Step Solution
- Step 1: Write the proportion equation
1,682,778.21 : 2,322,224.74 = 918,826.30 : x - Step 2: Convert to fraction form
1,682,778.21/2,322,224.74 = 918,826.30/x - Step 3: Cross multiply
1,682,778.21x = 2,322,224.74 × 918,826.30 - Step 4: Simplify right side
1,682,778.21x = 2,133,721,165,622.66 - Step 5: Solve for x
x = 2,133,721,165,622.66/1,682,778.21 - Step 6: Final answer
x = 1,267,975.28
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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.