Finding the Fourth Proportional to 4,276,790.96, 5,901,969.48 and 2,557,911.44
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Solution
The fourth proportional to 4,276,790.96, 5,901,969.48 and 2,557,911.44 is: 3,529,916.56
Step by Step Solution
- Step 1: Write the proportion equation
4,276,790.96 : 5,901,969.48 = 2,557,911.44 : x - Step 2: Convert to fraction form
4,276,790.96/5,901,969.48 = 2,557,911.44/x - Step 3: Cross multiply
4,276,790.96x = 5,901,969.48 × 2,557,911.44 - Step 4: Simplify right side
4,276,790.96x = 15,096,715,251,422.85 - Step 5: Solve for x
x = 15,096,715,251,422.85/4,276,790.96 - Step 6: Final answer
x = 3,529,916.56
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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.