Finding the Fourth Proportional to 1,324,129.80, 1,986,194.70 and 364,583.55
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Solution
The fourth proportional to 1,324,129.80, 1,986,194.70 and 364,583.55 is: 546,875.33
Step by Step Solution
- Step 1: Write the proportion equation
1,324,129.80 : 1,986,194.70 = 364,583.55 : x - Step 2: Convert to fraction form
1,324,129.80/1,986,194.70 = 364,583.55/x - Step 3: Cross multiply
1,324,129.80x = 1,986,194.70 × 364,583.55 - Step 4: Simplify right side
1,324,129.80x = 724,133,914,717.19 - Step 5: Solve for x
x = 724,133,914,717.19/1,324,129.80 - Step 6: Final answer
x = 546,875.33
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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.