Finding the Fourth Proportional to 4,107,711.21, 5,638,957.49 and 3,525,924.31
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Solution
The fourth proportional to 4,107,711.21, 5,638,957.49 and 3,525,924.31 is: 4,840,295.80
Step by Step Solution
- Step 1: Write the proportion equation
4,107,711.21 : 5,638,957.49 = 3,525,924.31 : x - Step 2: Convert to fraction form
4,107,711.21/5,638,957.49 = 3,525,924.31/x - Step 3: Cross multiply
4,107,711.21x = 5,638,957.49 × 3,525,924.31 - Step 4: Simplify right side
4,107,711.21x = 19,882,537,297,047.58 - Step 5: Solve for x
x = 19,882,537,297,047.58/4,107,711.21 - Step 6: Final answer
x = 4,840,295.80
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.