Finding the Fourth Proportional to 3,425,245.21, 5,138,589.26 and 1,295,282.17
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Solution
The fourth proportional to 3,425,245.21, 5,138,589.26 and 1,295,282.17 is: 1,943,196.07
Step by Step Solution
- Step 1: Write the proportion equation
3,425,245.21 : 5,138,589.26 = 1,295,282.17 : x - Step 2: Convert to fraction form
3,425,245.21/5,138,589.26 = 1,295,282.17/x - Step 3: Cross multiply
3,425,245.21x = 5,138,589.26 × 1,295,282.17 - Step 4: Simplify right side
3,425,245.21x = 6,655,923,047,431.49 - Step 5: Solve for x
x = 6,655,923,047,431.49/3,425,245.21 - Step 6: Final answer
x = 1,943,196.07
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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.