Finding the Fourth Proportional to 1,591,843.20, 2,192,559.27 and 1,223,615.99
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Solution
The fourth proportional to 1,591,843.20, 2,192,559.27 and 1,223,615.99 is: 1,685,373.64
Step by Step Solution
- Step 1: Write the proportion equation
1,591,843.20 : 2,192,559.27 = 1,223,615.99 : x - Step 2: Convert to fraction form
1,591,843.20/2,192,559.27 = 1,223,615.99/x - Step 3: Cross multiply
1,591,843.20x = 2,192,559.27 × 1,223,615.99 - Step 4: Simplify right side
1,591,843.20x = 2,682,850,570,831.93 - Step 5: Solve for x
x = 2,682,850,570,831.93/1,591,843.20 - Step 6: Final answer
x = 1,685,373.64
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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.