Finding the Fourth Proportional to 3,101,981.00, 4,278,986.53 and 1,861,270.63
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Solution
The fourth proportional to 3,101,981.00, 4,278,986.53 and 1,861,270.63 is: 2,567,505.07
Step by Step Solution
- Step 1: Write the proportion equation
3,101,981.00 : 4,278,986.53 = 1,861,270.63 : x - Step 2: Convert to fraction form
3,101,981.00/4,278,986.53 = 1,861,270.63/x - Step 3: Cross multiply
3,101,981.00x = 4,278,986.53 × 1,861,270.63 - Step 4: Simplify right side
3,101,981.00x = 7,964,351,939,103.97 - Step 5: Solve for x
x = 7,964,351,939,103.97/3,101,981.00 - Step 6: Final answer
x = 2,567,505.07
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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.