Finding the Fourth Proportional to 7,161,391.98, 10,741,983.41 and 1,770,042.98
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Solution
The fourth proportional to 7,161,391.98, 10,741,983.41 and 1,770,042.98 is: 2,655,038.63
Step by Step Solution
- Step 1: Write the proportion equation
7,161,391.98 : 10,741,983.41 = 1,770,042.98 : x - Step 2: Convert to fraction form
7,161,391.98/10,741,983.41 = 1,770,042.98/x - Step 3: Cross multiply
7,161,391.98x = 10,741,983.41 × 1,770,042.98 - Step 4: Simplify right side
7,161,391.98x = 19,013,772,353,692.24 - Step 5: Solve for x
x = 19,013,772,353,692.24/7,161,391.98 - Step 6: Final answer
x = 2,655,038.63
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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.