Finding the Fourth Proportional to 6,394,237.12, 8,823,942.92 and 3,493,565.60
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Solution
The fourth proportional to 6,394,237.12, 8,823,942.92 and 3,493,565.60 is: 4,821,063.54
Step by Step Solution
- Step 1: Write the proportion equation
6,394,237.12 : 8,823,942.92 = 3,493,565.60 : x - Step 2: Convert to fraction form
6,394,237.12/8,823,942.92 = 3,493,565.60/x - Step 3: Cross multiply
6,394,237.12x = 8,823,942.92 × 3,493,565.60 - Step 4: Simplify right side
6,394,237.12x = 30,827,023,441,675.55 - Step 5: Solve for x
x = 30,827,023,441,675.55/6,394,237.12 - Step 6: Final answer
x = 4,821,063.54
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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.