Finding the Fourth Proportional to 6,126,878.54, 9,190,313.49 and 2,757,148.94
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Solution
The fourth proportional to 6,126,878.54, 9,190,313.49 and 2,757,148.94 is: 4,135,721.47
Step by Step Solution
- Step 1: Write the proportion equation
6,126,878.54 : 9,190,313.49 = 2,757,148.94 : x - Step 2: Convert to fraction form
6,126,878.54/9,190,313.49 = 2,757,148.94/x - Step 3: Cross multiply
6,126,878.54x = 9,190,313.49 × 2,757,148.94 - Step 4: Simplify right side
6,126,878.54x = 25,339,063,097,221.20 - Step 5: Solve for x
x = 25,339,063,097,221.20/6,126,878.54 - Step 6: Final answer
x = 4,135,721.47
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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.