Finding the Fourth Proportional to 1,448,652.56, 1,999,141.82 and 868,212.84
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Solution
The fourth proportional to 1,448,652.56, 1,999,141.82 and 868,212.84 is: 1,198,134.49
Step by Step Solution
- Step 1: Write the proportion equation
1,448,652.56 : 1,999,141.82 = 868,212.84 : x - Step 2: Convert to fraction form
1,448,652.56/1,999,141.82 = 868,212.84/x - Step 3: Cross multiply
1,448,652.56x = 1,999,141.82 × 868,212.84 - Step 4: Simplify right side
1,448,652.56x = 1,735,680,597,104.97 - Step 5: Solve for x
x = 1,735,680,597,104.97/1,448,652.56 - Step 6: Final answer
x = 1,198,134.49
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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.