Finding the Fourth Proportional to 5,702,342.97, 8,554,791.20 and 1,915,722.57
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Solution
The fourth proportional to 5,702,342.97, 8,554,791.20 and 1,915,722.57 is: 2,874,012.78
Step by Step Solution
- Step 1: Write the proportion equation
5,702,342.97 : 8,554,791.20 = 1,915,722.57 : x - Step 2: Convert to fraction form
5,702,342.97/8,554,791.20 = 1,915,722.57/x - Step 3: Cross multiply
5,702,342.97x = 8,554,791.20 × 1,915,722.57 - Step 4: Simplify right side
5,702,342.97x = 16,388,606,573,898.77 - Step 5: Solve for x
x = 16,388,606,573,898.77/5,702,342.97 - Step 6: Final answer
x = 2,874,012.78
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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.