Finding the Fourth Proportional to 4,542,245.05, 6,806,138.68 and 3,178,600.66
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Solution
The fourth proportional to 4,542,245.05, 6,806,138.68 and 3,178,600.66 is: 4,762,842.31
Step by Step Solution
- Step 1: Write the proportion equation
4,542,245.05 : 6,806,138.68 = 3,178,600.66 : x - Step 2: Convert to fraction form
4,542,245.05/6,806,138.68 = 3,178,600.66/x - Step 3: Cross multiply
4,542,245.05x = 6,806,138.68 × 3,178,600.66 - Step 4: Simplify right side
4,542,245.05x = 21,633,996,884,698.37 - Step 5: Solve for x
x = 21,633,996,884,698.37/4,542,245.05 - Step 6: Final answer
x = 4,762,842.31
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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.