Finding the Fourth Proportional to 1,816,232.96, 2,505,835.58 and 1,031,170.44
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Solution
The fourth proportional to 1,816,232.96, 2,505,835.58 and 1,031,170.44 is: 1,422,693.91
Step by Step Solution
- Step 1: Write the proportion equation
1,816,232.96 : 2,505,835.58 = 1,031,170.44 : x - Step 2: Convert to fraction form
1,816,232.96/2,505,835.58 = 1,031,170.44/x - Step 3: Cross multiply
1,816,232.96x = 2,505,835.58 × 1,031,170.44 - Step 4: Simplify right side
1,816,232.96x = 2,583,943,577,596.26 - Step 5: Solve for x
x = 2,583,943,577,596.26/1,816,232.96 - Step 6: Final answer
x = 1,422,693.91
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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.