Finding the Fourth Proportional to 2,874,912.60, 4,310,813.70 and 1,192,186.20
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Solution
The fourth proportional to 2,874,912.60, 4,310,813.70 and 1,192,186.20 is: 1,787,634.38
Step by Step Solution
- Step 1: Write the proportion equation
2,874,912.60 : 4,310,813.70 = 1,192,186.20 : x - Step 2: Convert to fraction form
2,874,912.60/4,310,813.70 = 1,192,186.20/x - Step 3: Cross multiply
2,874,912.60x = 4,310,813.70 × 1,192,186.20 - Step 4: Simplify right side
2,874,912.60x = 5,139,292,603,910.94 - Step 5: Solve for x
x = 5,139,292,603,910.94/2,874,912.60 - Step 6: Final answer
x = 1,787,634.38
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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.