Finding the Fourth Proportional to 5,121,961.44, 7,683,776.07 and 2,392,238.58
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Solution
The fourth proportional to 5,121,961.44, 7,683,776.07 and 2,392,238.58 is: 3,588,747.35
Step by Step Solution
- Step 1: Write the proportion equation
5,121,961.44 : 7,683,776.07 = 2,392,238.58 : x - Step 2: Convert to fraction form
5,121,961.44/7,683,776.07 = 2,392,238.58/x - Step 3: Cross multiply
5,121,961.44x = 7,683,776.07 × 2,392,238.58 - Step 4: Simplify right side
5,121,961.44x = 18,381,425,554,734.78 - Step 5: Solve for x
x = 18,381,425,554,734.78/5,121,961.44 - Step 6: Final answer
x = 3,588,747.35
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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.