Finding the Fourth Proportional to 3,927,366.06, 5,419,730.97 and 2,208,449.94
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Solution
The fourth proportional to 3,927,366.06, 5,419,730.97 and 2,208,449.94 is: 3,047,641.69
Step by Step Solution
- Step 1: Write the proportion equation
3,927,366.06 : 5,419,730.97 = 2,208,449.94 : x - Step 2: Convert to fraction form
3,927,366.06/5,419,730.97 = 2,208,449.94/x - Step 3: Cross multiply
3,927,366.06x = 5,419,730.97 × 2,208,449.94 - Step 4: Simplify right side
3,927,366.06x = 11,969,204,535,512.64 - Step 5: Solve for x
x = 11,969,204,535,512.64/3,927,366.06 - Step 6: Final answer
x = 3,047,641.69
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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.