Finding the Fourth Proportional to 3,394,803.42, 4,684,735.05 and 1,866,910.56
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Solution
The fourth proportional to 3,394,803.42, 4,684,735.05 and 1,866,910.56 is: 2,576,285.06
Step by Step Solution
- Step 1: Write the proportion equation
3,394,803.42 : 4,684,735.05 = 1,866,910.56 : x - Step 2: Convert to fraction form
3,394,803.42/4,684,735.05 = 1,866,910.56/x - Step 3: Cross multiply
3,394,803.42x = 4,684,735.05 × 1,866,910.56 - Step 4: Simplify right side
3,394,803.42x = 8,745,981,335,647.13 - Step 5: Solve for x
x = 8,745,981,335,647.13/3,394,803.42 - Step 6: Final answer
x = 2,576,285.06
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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.