Finding the Fourth Proportional to 1,324,119.84, 1,984,623.84 and 612,645.12
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Solution
The fourth proportional to 1,324,119.84, 1,984,623.84 and 612,645.12 is: 918,247.79
Step by Step Solution
- Step 1: Write the proportion equation
1,324,119.84 : 1,984,623.84 = 612,645.12 : x - Step 2: Convert to fraction form
1,324,119.84/1,984,623.84 = 612,645.12/x - Step 3: Cross multiply
1,324,119.84x = 1,984,623.84 × 612,645.12 - Step 4: Simplify right side
1,324,119.84x = 1,215,870,110,611.66 - Step 5: Solve for x
x = 1,215,870,110,611.66/1,324,119.84 - Step 6: Final answer
x = 918,247.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.