Finding the Fourth Proportional to 3,150,933.68, 4,348,266.32 and 1,720,149.68
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Solution
The fourth proportional to 3,150,933.68, 4,348,266.32 and 1,720,149.68 is: 2,373,794.46
Step by Step Solution
- Step 1: Write the proportion equation
3,150,933.68 : 4,348,266.32 = 1,720,149.68 : x - Step 2: Convert to fraction form
3,150,933.68/4,348,266.32 = 1,720,149.68/x - Step 3: Cross multiply
3,150,933.68x = 4,348,266.32 × 1,720,149.68 - Step 4: Simplify right side
3,150,933.68x = 7,479,668,918,902.78 - Step 5: Solve for x
x = 7,479,668,918,902.78/3,150,933.68 - Step 6: Final answer
x = 2,373,794.46
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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.