Finding the Fourth Proportional to 3,851,137.14, 5,314,735.33 and 2,132,257.66
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Solution
The fourth proportional to 3,851,137.14, 5,314,735.33 and 2,132,257.66 is: 2,942,607.52
Step by Step Solution
- Step 1: Write the proportion equation
3,851,137.14 : 5,314,735.33 = 2,132,257.66 : x - Step 2: Convert to fraction form
3,851,137.14/5,314,735.33 = 2,132,257.66/x - Step 3: Cross multiply
3,851,137.14x = 5,314,735.33 × 2,132,257.66 - Step 4: Simplify right side
3,851,137.14x = 11,332,385,118,265.13 - Step 5: Solve for x
x = 11,332,385,118,265.13/3,851,137.14 - Step 6: Final answer
x = 2,942,607.52
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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.