Finding the Fourth Proportional to 2,570,612.27, 3,852,129.41 and 1,431,806.74
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Solution
The fourth proportional to 2,570,612.27, 3,852,129.41 and 1,431,806.74 is: 2,145,599.68
Step by Step Solution
- Step 1: Write the proportion equation
2,570,612.27 : 3,852,129.41 = 1,431,806.74 : x - Step 2: Convert to fraction form
2,570,612.27/3,852,129.41 = 1,431,806.74/x - Step 3: Cross multiply
2,570,612.27x = 3,852,129.41 × 1,431,806.74 - Step 4: Simplify right side
2,570,612.27x = 5,515,504,841,170.14 - Step 5: Solve for x
x = 5,515,504,841,170.14/2,570,612.27 - Step 6: Final answer
x = 2,145,599.68
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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.