Finding the Fourth Proportional to 2,449,405.67, 3,380,295.09 and 1,361,695.34
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Solution
The fourth proportional to 2,449,405.67, 3,380,295.09 and 1,361,695.34 is: 1,879,203.65
Step by Step Solution
- Step 1: Write the proportion equation
2,449,405.67 : 3,380,295.09 = 1,361,695.34 : x - Step 2: Convert to fraction form
2,449,405.67/3,380,295.09 = 1,361,695.34/x - Step 3: Cross multiply
2,449,405.67x = 3,380,295.09 × 1,361,695.34 - Step 4: Simplify right side
2,449,405.67x = 4,602,932,054,976.41 - Step 5: Solve for x
x = 4,602,932,054,976.41/2,449,405.67 - Step 6: Final answer
x = 1,879,203.65
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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.