Finding the Fourth Proportional to 6,239,772.70, 9,361,408.65 and 2,647,260.70
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Solution
The fourth proportional to 6,239,772.70, 9,361,408.65 and 2,647,260.70 is: 3,971,633.33
Step by Step Solution
- Step 1: Write the proportion equation
6,239,772.70 : 9,361,408.65 = 2,647,260.70 : x - Step 2: Convert to fraction form
6,239,772.70/9,361,408.65 = 2,647,260.70/x - Step 3: Cross multiply
6,239,772.70x = 9,361,408.65 × 2,647,260.70 - Step 4: Simplify right side
6,239,772.70x = 24,782,089,215,785.06 - Step 5: Solve for x
x = 24,782,089,215,785.06/6,239,772.70 - Step 6: Final answer
x = 3,971,633.33
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1.5x scale
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.