Finding the Fourth Proportional to 3,567,138.13, 5,352,456.80 and 1,674,033.49
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Solution
The fourth proportional to 3,567,138.13, 5,352,456.80 and 1,674,033.49 is: 2,511,871.31
Step by Step Solution
- Step 1: Write the proportion equation
3,567,138.13 : 5,352,456.80 = 1,674,033.49 : x - Step 2: Convert to fraction form
3,567,138.13/5,352,456.80 = 1,674,033.49/x - Step 3: Cross multiply
3,567,138.13x = 5,352,456.80 × 1,674,033.49 - Step 4: Simplify right side
3,567,138.13x = 8,960,191,936,978.23 - Step 5: Solve for x
x = 8,960,191,936,978.23/3,567,138.13 - Step 6: Final answer
x = 2,511,871.31
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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.