Finding the Fourth Proportional to 1,611,256.14, 2,223,489.12 and 886,103.64
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Solution
The fourth proportional to 1,611,256.14, 2,223,489.12 and 886,103.64 is: 1,222,798.63
Step by Step Solution
- Step 1: Write the proportion equation
1,611,256.14 : 2,223,489.12 = 886,103.64 : x - Step 2: Convert to fraction form
1,611,256.14/2,223,489.12 = 886,103.64/x - Step 3: Cross multiply
1,611,256.14x = 2,223,489.12 × 886,103.64 - Step 4: Simplify right side
1,611,256.14x = 1,970,241,802,732.40 - Step 5: Solve for x
x = 1,970,241,802,732.40/1,611,256.14 - Step 6: Final answer
x = 1,222,798.63
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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.