Finding the Fourth Proportional to 1,582,704.26, 2,184,128.80 and 857,571.61
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Solution
The fourth proportional to 1,582,704.26, 2,184,128.80 and 857,571.61 is: 1,183,447.15
Step by Step Solution
- Step 1: Write the proportion equation
1,582,704.26 : 2,184,128.80 = 857,571.61 : x - Step 2: Convert to fraction form
1,582,704.26/2,184,128.80 = 857,571.61/x - Step 3: Cross multiply
1,582,704.26x = 2,184,128.80 × 857,571.61 - Step 4: Simplify right side
1,582,704.26x = 1,873,046,851,463.37 - Step 5: Solve for x
x = 1,873,046,851,463.37/1,582,704.26 - 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.