Finding the Fourth Proportional to 3,883,392.69, 5,359,117.46 and 2,141,124.62
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Solution
The fourth proportional to 3,883,392.69, 5,359,117.46 and 2,141,124.62 is: 2,954,771.57
Step by Step Solution
- Step 1: Write the proportion equation
3,883,392.69 : 5,359,117.46 = 2,141,124.62 : x - Step 2: Convert to fraction form
3,883,392.69/5,359,117.46 = 2,141,124.62/x - Step 3: Cross multiply
3,883,392.69x = 5,359,117.46 × 2,141,124.62 - Step 4: Simplify right side
3,883,392.69x = 11,474,538,297,576.66 - Step 5: Solve for x
x = 11,474,538,297,576.66/3,883,392.69 - Step 6: Final answer
x = 2,954,771.57
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1.5x scale
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.