Finding the Fourth Proportional to 2,586,135.22, 3,568,611.08 and 1,440,322.18
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Solution
The fourth proportional to 2,586,135.22, 3,568,611.08 and 1,440,322.18 is: 1,987,502.30
Step by Step Solution
- Step 1: Write the proportion equation
2,586,135.22 : 3,568,611.08 = 1,440,322.18 : x - Step 2: Convert to fraction form
2,586,135.22/3,568,611.08 = 1,440,322.18/x - Step 3: Cross multiply
2,586,135.22x = 3,568,611.08 × 1,440,322.18 - Step 4: Simplify right side
2,586,135.22x = 5,139,949,690,317.75 - Step 5: Solve for x
x = 5,139,949,690,317.75/2,586,135.22 - Step 6: Final answer
x = 1,987,502.30
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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.