Finding the Fourth Proportional to 1,682,703.94, 2,322,113.85 and 918,755.14
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Solution
The fourth proportional to 1,682,703.94, 2,322,113.85 and 918,755.14 is: 1,267,872.49
Step by Step Solution
- Step 1: Write the proportion equation
1,682,703.94 : 2,322,113.85 = 918,755.14 : x - Step 2: Convert to fraction form
1,682,703.94/2,322,113.85 = 918,755.14/x - Step 3: Cross multiply
1,682,703.94x = 2,322,113.85 × 918,755.14 - Step 4: Simplify right side
1,682,703.94x = 2,133,454,035,352.69 - Step 5: Solve for x
x = 2,133,454,035,352.69/1,682,703.94 - Step 6: Final answer
x = 1,267,872.49
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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.