Finding the Fourth Proportional to 4,704,776.88, 6,490,198.26 and 3,074,137.50
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Solution
The fourth proportional to 4,704,776.88, 6,490,198.26 and 3,074,137.50 is: 4,240,745.60
Step by Step Solution
- Step 1: Write the proportion equation
4,704,776.88 : 6,490,198.26 = 3,074,137.50 : x - Step 2: Convert to fraction form
4,704,776.88/6,490,198.26 = 3,074,137.50/x - Step 3: Cross multiply
4,704,776.88x = 6,490,198.26 × 3,074,137.50 - Step 4: Simplify right side
4,704,776.88x = 19,951,761,853,500.75 - Step 5: Solve for x
x = 19,951,761,853,500.75/4,704,776.88 - Step 6: Final answer
x = 4,240,745.60
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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.