Finding the Fourth Proportional to 2,372,378.87, 3,273,876.93 and 1,284,650.38
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Solution
The fourth proportional to 2,372,378.87, 3,273,876.93 and 1,284,650.38 is: 1,772,814.32
Step by Step Solution
- Step 1: Write the proportion equation
2,372,378.87 : 3,273,876.93 = 1,284,650.38 : x - Step 2: Convert to fraction form
2,372,378.87/3,273,876.93 = 1,284,650.38/x - Step 3: Cross multiply
2,372,378.87x = 3,273,876.93 × 1,284,650.38 - Step 4: Simplify right side
2,372,378.87x = 4,205,787,242,197.73 - Step 5: Solve for x
x = 4,205,787,242,197.73/2,372,378.87 - Step 6: Final answer
x = 1,772,814.32
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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.