Finding the Fourth Proportional to 1,627,816.41, 2,246,276.75 and 939,517.29
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Solution
The fourth proportional to 1,627,816.41, 2,246,276.75 and 939,517.29 is: 1,296,470.43
Step by Step Solution
- Step 1: Write the proportion equation
1,627,816.41 : 2,246,276.75 = 939,517.29 : x - Step 2: Convert to fraction form
1,627,816.41/2,246,276.75 = 939,517.29/x - Step 3: Cross multiply
1,627,816.41x = 2,246,276.75 × 939,517.29 - Step 4: Simplify right side
1,627,816.41x = 2,110,415,840,052.42 - Step 5: Solve for x
x = 2,110,415,840,052.42/1,627,816.41 - Step 6: Final answer
x = 1,296,470.43
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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.