Finding the Fourth Proportional to 1,611,537.17, 2,223,922.43 and 886,440.05
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Solution
The fourth proportional to 1,611,537.17, 2,223,922.43 and 886,440.05 is: 1,223,287.90
Step by Step Solution
- Step 1: Write the proportion equation
1,611,537.17 : 2,223,922.43 = 886,440.05 : x - Step 2: Convert to fraction form
1,611,537.17/2,223,922.43 = 886,440.05/x - Step 3: Cross multiply
1,611,537.17x = 2,223,922.43 × 886,440.05 - Step 4: Simplify right side
1,611,537.17x = 1,971,373,921,991.08 - Step 5: Solve for x
x = 1,971,373,921,991.08/1,611,537.17 - Step 6: Final answer
x = 1,223,287.90
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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.