Finding the Fourth Proportional to 1,884,520.21, 2,805,467.12 and 1,873,310.09
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Solution
The fourth proportional to 1,884,520.21, 2,805,467.12 and 1,873,310.09 is: 2,788,778.72
Step by Step Solution
- Step 1: Write the proportion equation
1,884,520.21 : 2,805,467.12 = 1,873,310.09 : x - Step 2: Convert to fraction form
1,884,520.21/2,805,467.12 = 1,873,310.09/x - Step 3: Cross multiply
1,884,520.21x = 2,805,467.12 × 1,873,310.09 - Step 4: Simplify right side
1,884,520.21x = 5,255,509,851,958.95 - Step 5: Solve for x
x = 5,255,509,851,958.95/1,884,520.21 - Step 6: Final answer
x = 2,788,778.72
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.