Finding the Fourth Proportional to 2,107,644.75, 3,161,475.36 and 510,205.23
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Solution
The fourth proportional to 2,107,644.75, 3,161,475.36 and 510,205.23 is: 765,309.84
Step by Step Solution
- Step 1: Write the proportion equation
2,107,644.75 : 3,161,475.36 = 510,205.23 : x - Step 2: Convert to fraction form
2,107,644.75/3,161,475.36 = 510,205.23/x - Step 3: Cross multiply
2,107,644.75x = 3,161,475.36 × 510,205.23 - Step 4: Simplify right side
2,107,644.75x = 1,613,001,263,188.13 - Step 5: Solve for x
x = 1,613,001,263,188.13/2,107,644.75 - Step 6: Final answer
x = 765,309.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.