Finding the Fourth Proportional to 6,783,438.14, 9,361,203.75 and 3,685,961.49
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Solution
The fourth proportional to 6,783,438.14, 9,361,203.75 and 3,685,961.49 is: 5,086,658.97
Step by Step Solution
- Step 1: Write the proportion equation
6,783,438.14 : 9,361,203.75 = 3,685,961.49 : x - Step 2: Convert to fraction form
6,783,438.14/9,361,203.75 = 3,685,961.49/x - Step 3: Cross multiply
6,783,438.14x = 9,361,203.75 × 3,685,961.49 - Step 4: Simplify right side
6,783,438.14x = 34,505,036,473,616.72 - Step 5: Solve for x
x = 34,505,036,473,616.72/6,783,438.14 - Step 6: Final answer
x = 5,086,658.97
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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.