Finding the Fourth Proportional to 6,245,458.74, 8,615,408.60 and 3,798,818.10
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Solution
The fourth proportional to 6,245,458.74, 8,615,408.60 and 3,798,818.10 is: 5,240,346.87
Step by Step Solution
- Step 1: Write the proportion equation
6,245,458.74 : 8,615,408.60 = 3,798,818.10 : x - Step 2: Convert to fraction form
6,245,458.74/8,615,408.60 = 3,798,818.10/x - Step 3: Cross multiply
6,245,458.74x = 8,615,408.60 × 3,798,818.10 - Step 4: Simplify right side
6,245,458.74x = 32,728,370,138,072.70 - Step 5: Solve for x
x = 32,728,370,138,072.70/6,245,458.74 - Step 6: Final answer
x = 5,240,346.87
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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.