Finding the Fourth Proportional to 1,582,311.75, 2,183,581.19 and 857,173.43
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Solution
The fourth proportional to 1,582,311.75, 2,183,581.19 and 857,173.43 is: 1,182,894.44
Step by Step Solution
- Step 1: Write the proportion equation
1,582,311.75 : 2,183,581.19 = 857,173.43 : x - Step 2: Convert to fraction form
1,582,311.75/2,183,581.19 = 857,173.43/x - Step 3: Cross multiply
1,582,311.75x = 2,183,581.19 × 857,173.43 - Step 4: Simplify right side
1,582,311.75x = 1,871,707,767,397.88 - Step 5: Solve for x
x = 1,871,707,767,397.88/1,582,311.75 - Step 6: Final answer
x = 1,182,894.44
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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.