Finding the Fourth Proportional to 1,906,846.02, 2,629,291.05 and 1,217,611.62
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Solution
The fourth proportional to 1,906,846.02, 2,629,291.05 and 1,217,611.62 is: 1,678,927.04
Step by Step Solution
- Step 1: Write the proportion equation
1,906,846.02 : 2,629,291.05 = 1,217,611.62 : x - Step 2: Convert to fraction form
1,906,846.02/2,629,291.05 = 1,217,611.62/x - Step 3: Cross multiply
1,906,846.02x = 2,629,291.05 × 1,217,611.62 - Step 4: Simplify right side
1,906,846.02x = 3,201,455,334,842.00 - Step 5: Solve for x
x = 3,201,455,334,842.00/1,906,846.02 - Step 6: Final answer
x = 1,678,927.04
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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.