Finding the Fourth Proportional to 2,529,745.40, 3,490,489.24 and 1,549,891.44
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Solution
The fourth proportional to 2,529,745.40, 3,490,489.24 and 1,549,891.44 is: 2,138,507.45
Step by Step Solution
- Step 1: Write the proportion equation
2,529,745.40 : 3,490,489.24 = 1,549,891.44 : x - Step 2: Convert to fraction form
2,529,745.40/3,490,489.24 = 1,549,891.44/x - Step 3: Cross multiply
2,529,745.40x = 3,490,489.24 × 1,549,891.44 - Step 4: Simplify right side
2,529,745.40x = 5,409,879,394,488.11 - Step 5: Solve for x
x = 5,409,879,394,488.11/2,529,745.40 - Step 6: Final answer
x = 2,138,507.45
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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.