Finding the Fourth Proportional to 5,412,502.35, 7,469,252.55 and 3,237,045.12
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Solution
The fourth proportional to 5,412,502.35, 7,469,252.55 and 3,237,045.12 is: 4,467,121.85
Step by Step Solution
- Step 1: Write the proportion equation
5,412,502.35 : 7,469,252.55 = 3,237,045.12 : x - Step 2: Convert to fraction form
5,412,502.35/7,469,252.55 = 3,237,045.12/x - Step 3: Cross multiply
5,412,502.35x = 7,469,252.55 × 3,237,045.12 - Step 4: Simplify right side
5,412,502.35x = 24,178,307,517,025.05 - Step 5: Solve for x
x = 24,178,307,517,025.05/5,412,502.35 - Step 6: Final answer
x = 4,467,121.85
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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.