Finding the Fourth Proportional to 2,040,578.70, 3,057,368.85 and 1,330,241.10
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Solution
The fourth proportional to 2,040,578.70, 3,057,368.85 and 1,330,241.10 is: 1,993,080.54
Step by Step Solution
- Step 1: Write the proportion equation
2,040,578.70 : 3,057,368.85 = 1,330,241.10 : x - Step 2: Convert to fraction form
2,040,578.70/3,057,368.85 = 1,330,241.10/x - Step 3: Cross multiply
2,040,578.70x = 3,057,368.85 × 1,330,241.10 - Step 4: Simplify right side
2,040,578.70x = 4,067,037,702,129.74 - Step 5: Solve for x
x = 4,067,037,702,129.74/2,040,578.70 - Step 6: Final answer
x = 1,993,080.54
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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.