Finding the Fourth Proportional to 4,276,768.46, 5,901,938.43 and 2,557,888.94
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Solution
The fourth proportional to 4,276,768.46, 5,901,938.43 and 2,557,888.94 is: 3,529,885.51
Step by Step Solution
- Step 1: Write the proportion equation
4,276,768.46 : 5,901,938.43 = 2,557,888.94 : x - Step 2: Convert to fraction form
4,276,768.46/5,901,938.43 = 2,557,888.94/x - Step 3: Cross multiply
4,276,768.46x = 5,901,938.43 × 2,557,888.94 - Step 4: Simplify right side
4,276,768.46x = 15,096,503,034,657.96 - Step 5: Solve for x
x = 15,096,503,034,657.96/4,276,768.46 - Step 6: Final answer
x = 3,529,885.51
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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.