Finding the Fourth Proportional to 1,914,370.11, 2,641,796.73 and 1,043,212.41
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Solution
The fourth proportional to 1,914,370.11, 2,641,796.73 and 1,043,212.41 is: 1,439,614.59
Step by Step Solution
- Step 1: Write the proportion equation
1,914,370.11 : 2,641,796.73 = 1,043,212.41 : x - Step 2: Convert to fraction form
1,914,370.11/2,641,796.73 = 1,043,212.41/x - Step 3: Cross multiply
1,914,370.11x = 2,641,796.73 × 1,043,212.41 - Step 4: Simplify right side
1,914,370.11x = 2,755,955,133,433.42 - Step 5: Solve for x
x = 2,755,955,133,433.42/1,914,370.11 - Step 6: Final answer
x = 1,439,614.59
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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.