Finding the Fourth Proportional to 5,203,491.24, 7,805,236.70 and 3,430,148.52
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Solution
The fourth proportional to 5,203,491.24, 7,805,236.70 and 3,430,148.52 is: 5,145,222.67
Step by Step Solution
- Step 1: Write the proportion equation
5,203,491.24 : 7,805,236.70 = 3,430,148.52 : x - Step 2: Convert to fraction form
5,203,491.24/7,805,236.70 = 3,430,148.52/x - Step 3: Cross multiply
5,203,491.24x = 7,805,236.70 × 3,430,148.52 - Step 4: Simplify right side
5,203,491.24x = 26,773,121,114,754.68 - Step 5: Solve for x
x = 26,773,121,114,754.68/5,203,491.24 - Step 6: Final answer
x = 5,145,222.67
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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.