Finding the Fourth Proportional to 2,209,158.75, 3,048,619.84 and 1,242,268.44
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Solution
The fourth proportional to 2,209,158.75, 3,048,619.84 and 1,242,268.44 is: 1,714,319.63
Step by Step Solution
- Step 1: Write the proportion equation
2,209,158.75 : 3,048,619.84 = 1,242,268.44 : x - Step 2: Convert to fraction form
2,209,158.75/3,048,619.84 = 1,242,268.44/x - Step 3: Cross multiply
2,209,158.75x = 3,048,619.84 × 1,242,268.44 - Step 4: Simplify right side
2,209,158.75x = 3,787,204,212,789.85 - Step 5: Solve for x
x = 3,787,204,212,789.85/2,209,158.75 - Step 6: Final answer
x = 1,714,319.63
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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.