Finding the Fourth Proportional to 2,170,880.42, 2,995,998.91 and 1,204,322.09
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Solution
The fourth proportional to 2,170,880.42, 2,995,998.91 and 1,204,322.09 is: 1,662,066.52
Step by Step Solution
- Step 1: Write the proportion equation
2,170,880.42 : 2,995,998.91 = 1,204,322.09 : x - Step 2: Convert to fraction form
2,170,880.42/2,995,998.91 = 1,204,322.09/x - Step 3: Cross multiply
2,170,880.42x = 2,995,998.91 × 1,204,322.09 - Step 4: Simplify right side
2,170,880.42x = 3,608,147,650,938.12 - Step 5: Solve for x
x = 3,608,147,650,938.12/2,170,880.42 - Step 6: Final answer
x = 1,662,066.52
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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.