Finding the Fourth Proportional to 2,170,765.24, 2,995,835.42 and 1,204,207.16
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Solution
The fourth proportional to 2,170,765.24, 2,995,835.42 and 1,204,207.16 is: 1,661,905.39
Step by Step Solution
- Step 1: Write the proportion equation
2,170,765.24 : 2,995,835.42 = 1,204,207.16 : x - Step 2: Convert to fraction form
2,170,765.24/2,995,835.42 = 1,204,207.16/x - Step 3: Cross multiply
2,170,765.24x = 2,995,835.42 × 1,204,207.16 - Step 4: Simplify right side
2,170,765.24x = 3,607,606,462,945.61 - Step 5: Solve for x
x = 3,607,606,462,945.61/2,170,765.24 - Step 6: Final answer
x = 1,661,905.39
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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.