Finding the Fourth Proportional to 4,672,367.70, 6,449,246.37 and 2,739,046.74
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Solution
The fourth proportional to 4,672,367.70, 6,449,246.37 and 2,739,046.74 is: 3,780,692.87
Step by Step Solution
- Step 1: Write the proportion equation
4,672,367.70 : 6,449,246.37 = 2,739,046.74 : x - Step 2: Convert to fraction form
4,672,367.70/6,449,246.37 = 2,739,046.74/x - Step 3: Cross multiply
4,672,367.70x = 6,449,246.37 × 2,739,046.74 - Step 4: Simplify right side
4,672,367.70x = 17,664,787,245,205.34 - Step 5: Solve for x
x = 17,664,787,245,205.34/4,672,367.70 - Step 6: Final answer
x = 3,780,692.87
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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.