Finding the Fourth Proportional to 3,065,604.72, 4,230,535.68 and 1,777,191.99
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Solution
The fourth proportional to 3,065,604.72, 4,230,535.68 and 1,777,191.99 is: 2,452,525.62
Step by Step Solution
- Step 1: Write the proportion equation
3,065,604.72 : 4,230,535.68 = 1,777,191.99 : x - Step 2: Convert to fraction form
3,065,604.72/4,230,535.68 = 1,777,191.99/x - Step 3: Cross multiply
3,065,604.72x = 4,230,535.68 × 1,777,191.99 - Step 4: Simplify right side
3,065,604.72x = 7,518,474,123,905.20 - Step 5: Solve for x
x = 7,518,474,123,905.20/3,065,604.72 - Step 6: Final answer
x = 2,452,525.62
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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.