Finding the Fourth Proportional to 3,241,091.67, 4,472,796.75 and 1,790,881.05
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Solution
The fourth proportional to 3,241,091.67, 4,472,796.75 and 1,790,881.05 is: 2,471,465.71
Step by Step Solution
- Step 1: Write the proportion equation
3,241,091.67 : 4,472,796.75 = 1,790,881.05 : x - Step 2: Convert to fraction form
3,241,091.67/4,472,796.75 = 1,790,881.05/x - Step 3: Cross multiply
3,241,091.67x = 4,472,796.75 × 1,790,881.05 - Step 4: Simplify right side
3,241,091.67x = 8,010,246,940,076.59 - Step 5: Solve for x
x = 8,010,246,940,076.59/3,241,091.67 - Step 6: Final answer
x = 2,471,465.71
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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.