Finding the Fourth Proportional to 2,361,919.55, 3,258,326.39 and 1,394,401.68
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Solution
The fourth proportional to 2,361,919.55, 3,258,326.39 and 1,394,401.68 is: 1,923,611.58
Step by Step Solution
- Step 1: Write the proportion equation
2,361,919.55 : 3,258,326.39 = 1,394,401.68 : x - Step 2: Convert to fraction form
2,361,919.55/3,258,326.39 = 1,394,401.68/x - Step 3: Cross multiply
2,361,919.55x = 3,258,326.39 × 1,394,401.68 - Step 4: Simplify right side
2,361,919.55x = 4,543,415,785,232.33 - Step 5: Solve for x
x = 4,543,415,785,232.33/2,361,919.55 - Step 6: Final answer
x = 1,923,611.58
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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.