Finding the Fourth Proportional to 2,170,765.26, 2,995,835.40 and 1,204,207.20
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Solution
The fourth proportional to 2,170,765.26, 2,995,835.40 and 1,204,207.20 is: 1,661,905.42
Step by Step Solution
- Step 1: Write the proportion equation
2,170,765.26 : 2,995,835.40 = 1,204,207.20 : x - Step 2: Convert to fraction form
2,170,765.26/2,995,835.40 = 1,204,207.20/x - Step 3: Cross multiply
2,170,765.26x = 2,995,835.40 × 1,204,207.20 - Step 4: Simplify right side
2,170,765.26x = 3,607,606,558,694.88 - Step 5: Solve for x
x = 3,607,606,558,694.88/2,170,765.26 - Step 6: Final answer
x = 1,661,905.42
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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.