Finding the Fourth Proportional to 3,044,438.52, 4,201,463.64 and 1,686,311.52
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Solution
The fourth proportional to 3,044,438.52, 4,201,463.64 and 1,686,311.52 is: 2,327,186.60
Step by Step Solution
- Step 1: Write the proportion equation
3,044,438.52 : 4,201,463.64 = 1,686,311.52 : x - Step 2: Convert to fraction form
3,044,438.52/4,201,463.64 = 1,686,311.52/x - Step 3: Cross multiply
3,044,438.52x = 4,201,463.64 × 1,686,311.52 - Step 4: Simplify right side
3,044,438.52x = 7,084,976,536,993.13 - Step 5: Solve for x
x = 7,084,976,536,993.13/3,044,438.52 - Step 6: Final answer
x = 2,327,186.60
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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.