Finding the Fourth Proportional to 1,927,481.19, 2,659,923.18 and 1,153,144.79
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Solution
The fourth proportional to 1,927,481.19, 2,659,923.18 and 1,153,144.79 is: 1,591,339.29
Step by Step Solution
- Step 1: Write the proportion equation
1,927,481.19 : 2,659,923.18 = 1,153,144.79 : x - Step 2: Convert to fraction form
1,927,481.19/2,659,923.18 = 1,153,144.79/x - Step 3: Cross multiply
1,927,481.19x = 2,659,923.18 × 1,153,144.79 - Step 4: Simplify right side
1,927,481.19x = 3,067,276,543,517.62 - Step 5: Solve for x
x = 3,067,276,543,517.62/1,927,481.19 - Step 6: Final answer
x = 1,591,339.29
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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.