Finding the Fourth Proportional to 1,544,732.80, 2,131,857.55 and 856,620.49
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Solution
The fourth proportional to 1,544,732.80, 2,131,857.55 and 856,620.49 is: 1,182,206.31
Step by Step Solution
- Step 1: Write the proportion equation
1,544,732.80 : 2,131,857.55 = 856,620.49 : x - Step 2: Convert to fraction form
1,544,732.80/2,131,857.55 = 856,620.49/x - Step 3: Cross multiply
1,544,732.80x = 2,131,857.55 × 856,620.49 - Step 4: Simplify right side
1,544,732.80x = 1,826,192,859,091.20 - Step 5: Solve for x
x = 1,826,192,859,091.20/1,544,732.80 - Step 6: Final answer
x = 1,182,206.31
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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.