Finding the Fourth Proportional to 1,682,581.14, 2,321,949.84 and 918,634.70
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Solution
The fourth proportional to 1,682,581.14, 2,321,949.84 and 918,634.70 is: 1,267,709.26
Step by Step Solution
- Step 1: Write the proportion equation
1,682,581.14 : 2,321,949.84 = 918,634.70 : x - Step 2: Convert to fraction form
1,682,581.14/2,321,949.84 = 918,634.70/x - Step 3: Cross multiply
1,682,581.14x = 2,321,949.84 × 918,634.70 - Step 4: Simplify right side
1,682,581.14x = 2,133,023,694,683.45 - Step 5: Solve for x
x = 2,133,023,694,683.45/1,682,581.14 - Step 6: Final answer
x = 1,267,709.26
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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.