Finding the Fourth Proportional to 7,453,475.53, 10,285,734.39 and 4,190,304.80
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Solution
The fourth proportional to 7,453,475.53, 10,285,734.39 and 4,190,304.80 is: 5,782,585.86
Step by Step Solution
- Step 1: Write the proportion equation
7,453,475.53 : 10,285,734.39 = 4,190,304.80 : x - Step 2: Convert to fraction form
7,453,475.53/10,285,734.39 = 4,190,304.80/x - Step 3: Cross multiply
7,453,475.53x = 10,285,734.39 × 4,190,304.80 - Step 4: Simplify right side
7,453,475.53x = 43,100,362,185,942.07 - Step 5: Solve for x
x = 43,100,362,185,942.07/7,453,475.53 - Step 6: Final answer
x = 5,782,585.86
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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.