Finding the Fourth Proportional to 6,394,214.28, 8,823,912.72 and 3,493,542.84
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Solution
The fourth proportional to 6,394,214.28, 8,823,912.72 and 3,493,542.84 is: 4,821,032.85
Step by Step Solution
- Step 1: Write the proportion equation
6,394,214.28 : 8,823,912.72 = 3,493,542.84 : x - Step 2: Convert to fraction form
6,394,214.28/8,823,912.72 = 3,493,542.84/x - Step 3: Cross multiply
6,394,214.28x = 8,823,912.72 × 3,493,542.84 - Step 4: Simplify right side
6,394,214.28x = 30,826,717,103,740.93 - Step 5: Solve for x
x = 30,826,717,103,740.93/6,394,214.28 - Step 6: Final answer
x = 4,821,032.85
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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.