Finding the Fourth Proportional to 1,923,674.40, 2,884,831.20 and 661,208.40
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Solution
The fourth proportional to 1,923,674.40, 2,884,831.20 and 661,208.40 is: 991,578.73
Step by Step Solution
- Step 1: Write the proportion equation
1,923,674.40 : 2,884,831.20 = 661,208.40 : x - Step 2: Convert to fraction form
1,923,674.40/2,884,831.20 = 661,208.40/x - Step 3: Cross multiply
1,923,674.40x = 2,884,831.20 × 661,208.40 - Step 4: Simplify right side
1,923,674.40x = 1,907,474,622,022.08 - Step 5: Solve for x
x = 1,907,474,622,022.08/1,923,674.40 - Step 6: Final answer
x = 991,578.73
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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.