Finding the Fourth Proportional to 3,965,023.20, 5,471,770.56 and 2,246,106.96
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Solution
The fourth proportional to 3,965,023.20, 5,471,770.56 and 2,246,106.96 is: 3,099,649.44
Step by Step Solution
- Step 1: Write the proportion equation
3,965,023.20 : 5,471,770.56 = 2,246,106.96 : x - Step 2: Convert to fraction form
3,965,023.20/5,471,770.56 = 2,246,106.96/x - Step 3: Cross multiply
3,965,023.20x = 5,471,770.56 × 2,246,106.96 - Step 4: Simplify right side
3,965,023.20x = 12,290,181,938,339.10 - Step 5: Solve for x
x = 12,290,181,938,339.10/3,965,023.20 - Step 6: Final answer
x = 3,099,649.44
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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.