Finding the Fourth Proportional to 4,259,921.22, 6,385,148.64 and 3,245,699.36
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Solution
The fourth proportional to 4,259,921.22, 6,385,148.64 and 3,245,699.36 is: 4,864,942.74
Step by Step Solution
- Step 1: Write the proportion equation
4,259,921.22 : 6,385,148.64 = 3,245,699.36 : x - Step 2: Convert to fraction form
4,259,921.22/6,385,148.64 = 3,245,699.36/x - Step 3: Cross multiply
4,259,921.22x = 6,385,148.64 × 3,245,699.36 - Step 4: Simplify right side
4,259,921.22x = 20,724,272,806,198.63 - Step 5: Solve for x
x = 20,724,272,806,198.63/4,259,921.22 - Step 6: Final answer
x = 4,864,942.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.