Finding the Fourth Proportional to 3,909,142.36, 5,836,975.19 and 3,501,704.26
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Solution
The fourth proportional to 3,909,142.36, 5,836,975.19 and 3,501,704.26 is: 5,228,604.90
Step by Step Solution
- Step 1: Write the proportion equation
3,909,142.36 : 5,836,975.19 = 3,501,704.26 : x - Step 2: Convert to fraction form
3,909,142.36/5,836,975.19 = 3,501,704.26/x - Step 3: Cross multiply
3,909,142.36x = 5,836,975.19 × 3,501,704.26 - Step 4: Simplify right side
3,909,142.36x = 20,439,360,888,337.31 - Step 5: Solve for x
x = 20,439,360,888,337.31/3,909,142.36 - Step 6: Final answer
x = 5,228,604.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.