Finding the Fourth Proportional to 1,236,537.87, 1,854,843.33 and 1,055,481.75
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Solution
The fourth proportional to 1,236,537.87, 1,854,843.33 and 1,055,481.75 is: 1,583,253.80
Step by Step Solution
- Step 1: Write the proportion equation
1,236,537.87 : 1,854,843.33 = 1,055,481.75 : x - Step 2: Convert to fraction form
1,236,537.87/1,854,843.33 = 1,055,481.75/x - Step 3: Cross multiply
1,236,537.87x = 1,854,843.33 × 1,055,481.75 - Step 4: Simplify right side
1,236,537.87x = 1,957,753,283,924.23 - Step 5: Solve for x
x = 1,957,753,283,924.23/1,236,537.87 - Step 6: Final answer
x = 1,583,253.80
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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.