Finding the Fourth Proportional to 1,861,201.31, 2,791,996.07 and 513,364.14
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Solution
The fourth proportional to 1,861,201.31, 2,791,996.07 and 513,364.14 is: 770,099.75
Step by Step Solution
- Step 1: Write the proportion equation
1,861,201.31 : 2,791,996.07 = 513,364.14 : x - Step 2: Convert to fraction form
1,861,201.31/2,791,996.07 = 513,364.14/x - Step 3: Cross multiply
1,861,201.31x = 2,791,996.07 × 513,364.14 - Step 4: Simplify right side
1,861,201.31x = 1,433,310,658,792.11 - Step 5: Solve for x
x = 1,433,310,658,792.11/1,861,201.31 - Step 6: Final answer
x = 770,099.75
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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.