Finding the Fourth Proportional to 5,358,341.07, 7,394,481.09 and 2,910,932.55
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Solution
The fourth proportional to 5,358,341.07, 7,394,481.09 and 2,910,932.55 is: 4,017,070.85
Step by Step Solution
- Step 1: Write the proportion equation
5,358,341.07 : 7,394,481.09 = 2,910,932.55 : x - Step 2: Convert to fraction form
5,358,341.07/7,394,481.09 = 2,910,932.55/x - Step 3: Cross multiply
5,358,341.07x = 7,394,481.09 × 2,910,932.55 - Step 4: Simplify right side
5,358,341.07x = 21,524,835,695,240.48 - Step 5: Solve for x
x = 21,524,835,695,240.48/5,358,341.07 - Step 6: Final answer
x = 4,017,070.85
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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.