Finding the Fourth Proportional to 2,213,252.75, 3,054,418.97 and 1,353,977.70
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Solution
The fourth proportional to 2,213,252.75, 3,054,418.97 and 1,353,977.70 is: 1,868,568.86
Step by Step Solution
- Step 1: Write the proportion equation
2,213,252.75 : 3,054,418.97 = 1,353,977.70 : x - Step 2: Convert to fraction form
2,213,252.75/3,054,418.97 = 1,353,977.70/x - Step 3: Cross multiply
2,213,252.75x = 3,054,418.97 × 1,353,977.70 - Step 4: Simplify right side
2,213,252.75x = 4,135,615,165,067.08 - Step 5: Solve for x
x = 4,135,615,165,067.08/2,213,252.75 - Step 6: Final answer
x = 1,868,568.86
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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.