Finding the Fourth Proportional to 5,239,108.68, 7,226,072.74 and 4,626,180.06
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Solution
The fourth proportional to 5,239,108.68, 7,226,072.74 and 4,626,180.06 is: 6,380,687.18
Step by Step Solution
- Step 1: Write the proportion equation
5,239,108.68 : 7,226,072.74 = 4,626,180.06 : x - Step 2: Convert to fraction form
5,239,108.68/7,226,072.74 = 4,626,180.06/x - Step 3: Cross multiply
5,239,108.68x = 7,226,072.74 × 4,626,180.06 - Step 4: Simplify right side
5,239,108.68x = 33,429,113,562,636.30 - Step 5: Solve for x
x = 33,429,113,562,636.30/5,239,108.68 - Step 6: Final answer
x = 6,380,687.18
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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.