Finding the Fourth Proportional to 2,171,231.40, 3,256,847.10 and 1,930,693.80
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Solution
The fourth proportional to 2,171,231.40, 3,256,847.10 and 1,930,693.80 is: 2,896,040.70
Step by Step Solution
- Step 1: Write the proportion equation
2,171,231.40 : 3,256,847.10 = 1,930,693.80 : x - Step 2: Convert to fraction form
2,171,231.40/3,256,847.10 = 1,930,693.80/x - Step 3: Cross multiply
2,171,231.40x = 3,256,847.10 × 1,930,693.80 - Step 4: Simplify right side
2,171,231.40x = 6,287,974,503,517.98 - Step 5: Solve for x
x = 6,287,974,503,517.98/2,171,231.40 - Step 6: Final answer
x = 2,896,040.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.