Finding the Fourth Proportional to 3,170,660.48, 4,375,496.84 and 1,720,352.34
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Solution
The fourth proportional to 3,170,660.48, 4,375,496.84 and 1,720,352.34 is: 2,374,078.30
Step by Step Solution
- Step 1: Write the proportion equation
3,170,660.48 : 4,375,496.84 = 1,720,352.34 : x - Step 2: Convert to fraction form
3,170,660.48/4,375,496.84 = 1,720,352.34/x - Step 3: Cross multiply
3,170,660.48x = 4,375,496.84 × 1,720,352.34 - Step 4: Simplify right side
3,170,660.48x = 7,527,396,227,356.61 - Step 5: Solve for x
x = 7,527,396,227,356.61/3,170,660.48 - Step 6: Final answer
x = 2,374,078.30
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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.