Finding the Fourth Proportional to 5,239,132.56, 7,226,105.66 and 4,626,203.94
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Solution
The fourth proportional to 5,239,132.56, 7,226,105.66 and 4,626,203.94 is: 6,380,720.11
Step by Step Solution
- Step 1: Write the proportion equation
5,239,132.56 : 7,226,105.66 = 4,626,203.94 : x - Step 2: Convert to fraction form
5,239,132.56/7,226,105.66 = 4,626,203.94/x - Step 3: Cross multiply
5,239,132.56x = 7,226,105.66 × 4,626,203.94 - Step 4: Simplify right side
5,239,132.56x = 33,429,438,475,148.30 - Step 5: Solve for x
x = 33,429,438,475,148.30/5,239,132.56 - Step 6: Final answer
x = 6,380,720.11
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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.