Finding the Fourth Proportional to 1,582,704.27, 2,184,128.79 and 857,571.62
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Solution
The fourth proportional to 1,582,704.27, 2,184,128.79 and 857,571.62 is: 1,183,447.15
Step by Step Solution
- Step 1: Write the proportion equation
1,582,704.27 : 2,184,128.79 = 857,571.62 : x - Step 2: Convert to fraction form
1,582,704.27/2,184,128.79 = 857,571.62/x - Step 3: Cross multiply
1,582,704.27x = 2,184,128.79 × 857,571.62 - Step 4: Simplify right side
1,582,704.27x = 1,873,046,853,808.30 - Step 5: Solve for x
x = 1,873,046,853,808.30/1,582,704.27 - Step 6: Final answer
x = 1,183,447.15
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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.