Finding the Fourth Proportional to 5,105,991, 7,660,299.06 and 1,911,163.08
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Solution
The fourth proportional to 5,105,991, 7,660,299.06 and 1,911,163.08 is: 2,867,235.91
Step by Step Solution
- Step 1: Write the proportion equation
5,105,991 : 7,660,299.06 = 1,911,163.08 : x - Step 2: Convert to fraction form
5,105,991/7,660,299.06 = 1,911,163.08/x - Step 3: Cross multiply
5,105,991x = 7,660,299.06 × 1,911,163.08 - Step 4: Simplify right side
5,105,991x = 14,640,080,745,230.71 - Step 5: Solve for x
x = 14,640,080,745,230.71/5,105,991 - Step 6: Final answer
x = 2,867,235.91
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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.