Finding the Fourth Proportional to 1,752,522.24, 2,418,855.36 and 1,107,530.88
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Solution
The fourth proportional to 1,752,522.24, 2,418,855.36 and 1,107,530.88 is: 1,528,629.39
Step by Step Solution
- Step 1: Write the proportion equation
1,752,522.24 : 2,418,855.36 = 1,107,530.88 : x - Step 2: Convert to fraction form
1,752,522.24/2,418,855.36 = 1,107,530.88/x - Step 3: Cross multiply
1,752,522.24x = 2,418,855.36 × 1,107,530.88 - Step 4: Simplify right side
1,752,522.24x = 2,678,957,005,453.52 - Step 5: Solve for x
x = 2,678,957,005,453.52/1,752,522.24 - Step 6: Final answer
x = 1,528,629.39
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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.