Finding the Fourth Proportional to 3,652,589.24, 5,040,721.62 and 2,020,970.04
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Solution
The fourth proportional to 3,652,589.24, 5,040,721.62 and 2,020,970.04 is: 2,789,020.80
Step by Step Solution
- Step 1: Write the proportion equation
3,652,589.24 : 5,040,721.62 = 2,020,970.04 : x - Step 2: Convert to fraction form
3,652,589.24/5,040,721.62 = 2,020,970.04/x - Step 3: Cross multiply
3,652,589.24x = 5,040,721.62 × 2,020,970.04 - Step 4: Simplify right side
3,652,589.24x = 10,187,147,374,000.27 - Step 5: Solve for x
x = 10,187,147,374,000.27/3,652,589.24 - Step 6: Final answer
x = 2,789,020.80
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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.