Finding the Fourth Proportional to 1,511,231.51, 2,266,842.14 and 612,671.14
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Solution
The fourth proportional to 1,511,231.51, 2,266,842.14 and 612,671.14 is: 919,004.63
Step by Step Solution
- Step 1: Write the proportion equation
1,511,231.51 : 2,266,842.14 = 612,671.14 : x - Step 2: Convert to fraction form
1,511,231.51/2,266,842.14 = 612,671.14/x - Step 3: Cross multiply
1,511,231.51x = 2,266,842.14 × 612,671.14 - Step 4: Simplify right side
1,511,231.51x = 1,388,828,760,181.55 - Step 5: Solve for x
x = 1,388,828,760,181.55/1,511,231.51 - Step 6: Final answer
x = 919,004.63
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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.