Finding the Fourth Proportional to 3,531,969.20, 5,292,510.60 and 2,629,175.60
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Solution
The fourth proportional to 3,531,969.20, 5,292,510.60 and 2,629,175.60 is: 3,939,711.52
Step by Step Solution
- Step 1: Write the proportion equation
3,531,969.20 : 5,292,510.60 = 2,629,175.60 : x - Step 2: Convert to fraction form
3,531,969.20/5,292,510.60 = 2,629,175.60/x - Step 3: Cross multiply
3,531,969.20x = 5,292,510.60 × 2,629,175.60 - Step 4: Simplify right side
3,531,969.20x = 13,914,939,732,261.36 - Step 5: Solve for x
x = 13,914,939,732,261.36/3,531,969.20 - Step 6: Final answer
x = 3,939,711.52
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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.