Finding the Fourth Proportional to 4,540,571.28, 6,810,659.94 and 1,128,786.48
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Solution
The fourth proportional to 4,540,571.28, 6,810,659.94 and 1,128,786.48 is: 1,693,130.75
Step by Step Solution
- Step 1: Write the proportion equation
4,540,571.28 : 6,810,659.94 = 1,128,786.48 : x - Step 2: Convert to fraction form
4,540,571.28/6,810,659.94 = 1,128,786.48/x - Step 3: Cross multiply
4,540,571.28x = 6,810,659.94 × 1,128,786.48 - Step 4: Simplify right side
4,540,571.28x = 7,687,780,860,149.61 - Step 5: Solve for x
x = 7,687,780,860,149.61/4,540,571.28 - Step 6: Final answer
x = 1,693,130.75
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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.