Finding the Fourth Proportional to 1,764,352.56, 2,438,116.44 and 1,441,945.08
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Solution
The fourth proportional to 1,764,352.56, 2,438,116.44 and 1,441,945.08 is: 1,992,589.28
Step by Step Solution
- Step 1: Write the proportion equation
1,764,352.56 : 2,438,116.44 = 1,441,945.08 : x - Step 2: Convert to fraction form
1,764,352.56/2,438,116.44 = 1,441,945.08/x - Step 3: Cross multiply
1,764,352.56x = 2,438,116.44 × 1,441,945.08 - Step 4: Simplify right side
1,764,352.56x = 3,515,630,005,125.12 - Step 5: Solve for x
x = 3,515,630,005,125.12/1,764,352.56 - Step 6: Final answer
x = 1,992,589.28
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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.