Finding the Fourth Proportional to 3,250,983.12, 4,486,356.63 and 1,800,771.99
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Solution
The fourth proportional to 3,250,983.12, 4,486,356.63 and 1,800,771.99 is: 2,485,065.30
Step by Step Solution
- Step 1: Write the proportion equation
3,250,983.12 : 4,486,356.63 = 1,800,771.99 : x - Step 2: Convert to fraction form
3,250,983.12/4,486,356.63 = 1,800,771.99/x - Step 3: Cross multiply
3,250,983.12x = 4,486,356.63 × 1,800,771.99 - Step 4: Simplify right side
3,250,983.12x = 8,078,905,356,454.79 - Step 5: Solve for x
x = 8,078,905,356,454.79/3,250,983.12 - Step 6: Final answer
x = 2,485,065.30
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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.