Finding the Fourth Proportional to 5,193,168, 7,782,965.76 and 3,758,682.24
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Solution
The fourth proportional to 5,193,168, 7,782,965.76 and 3,758,682.24 is: 5,633,111.65
Step by Step Solution
- Step 1: Write the proportion equation
5,193,168 : 7,782,965.76 = 3,758,682.24 : x - Step 2: Convert to fraction form
5,193,168/7,782,965.76 = 3,758,682.24/x - Step 3: Cross multiply
5,193,168x = 7,782,965.76 × 3,758,682.24 - Step 4: Simplify right side
5,193,168x = 29,253,695,176,640.10 - Step 5: Solve for x
x = 29,253,695,176,640.10/5,193,168 - Step 6: Final answer
x = 5,633,111.65
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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.