Finding the Fourth Proportional to 5,729,917.44, 7,907,290.12 and 3,151,794.36
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Solution
The fourth proportional to 5,729,917.44, 7,907,290.12 and 3,151,794.36 is: 4,349,478.45
Step by Step Solution
- Step 1: Write the proportion equation
5,729,917.44 : 7,907,290.12 = 3,151,794.36 : x - Step 2: Convert to fraction form
5,729,917.44/7,907,290.12 = 3,151,794.36/x - Step 3: Cross multiply
5,729,917.44x = 7,907,290.12 × 3,151,794.36 - Step 4: Simplify right side
5,729,917.44x = 24,922,152,403,099.72 - Step 5: Solve for x
x = 24,922,152,403,099.72/5,729,917.44 - Step 6: Final answer
x = 4,349,478.45
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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.