Finding the Fourth Proportional to 1,611,777.12, 2,224,257.56 and 886,679.97
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Solution
The fourth proportional to 1,611,777.12, 2,224,257.56 and 886,679.97 is: 1,223,621.18
Step by Step Solution
- Step 1: Write the proportion equation
1,611,777.12 : 2,224,257.56 = 886,679.97 : x - Step 2: Convert to fraction form
1,611,777.12/2,224,257.56 = 886,679.97/x - Step 3: Cross multiply
1,611,777.12x = 2,224,257.56 × 886,679.97 - Step 4: Simplify right side
1,611,777.12x = 1,972,204,622,139.67 - Step 5: Solve for x
x = 1,972,204,622,139.67/1,611,777.12 - Step 6: Final answer
x = 1,223,621.18
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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.