Finding the Fourth Proportional to 3,927,284.06, 5,419,618.08 and 2,208,367.94
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Solution
The fourth proportional to 3,927,284.06, 5,419,618.08 and 2,208,367.94 is: 3,047,528.68
Step by Step Solution
- Step 1: Write the proportion equation
3,927,284.06 : 5,419,618.08 = 2,208,367.94 : x - Step 2: Convert to fraction form
3,927,284.06/5,419,618.08 = 2,208,367.94/x - Step 3: Cross multiply
3,927,284.06x = 5,419,618.08 × 2,208,367.94 - Step 4: Simplify right side
3,927,284.06x = 11,968,510,814,916.36 - Step 5: Solve for x
x = 11,968,510,814,916.36/3,927,284.06 - Step 6: Final answer
x = 3,047,528.68
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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.