Finding the Fourth Proportional to 4,861,453.01, 6,708,940.43 and 2,686,136.31
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Solution
The fourth proportional to 4,861,453.01, 6,708,940.43 and 2,686,136.31 is: 3,706,942.85
Step by Step Solution
- Step 1: Write the proportion equation
4,861,453.01 : 6,708,940.43 = 2,686,136.31 : x - Step 2: Convert to fraction form
4,861,453.01/6,708,940.43 = 2,686,136.31/x - Step 3: Cross multiply
4,861,453.01x = 6,708,940.43 × 2,686,136.31 - Step 4: Simplify right side
4,861,453.01x = 18,021,128,477,219.33 - Step 5: Solve for x
x = 18,021,128,477,219.33/4,861,453.01 - Step 6: Final answer
x = 3,706,942.85
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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.