Finding the Fourth Proportional to 3,065,586.72, 4,230,510.84 and 1,777,173.99
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Solution
The fourth proportional to 3,065,586.72, 4,230,510.84 and 1,777,173.99 is: 2,452,500.78
Step by Step Solution
- Step 1: Write the proportion equation
3,065,586.72 : 4,230,510.84 = 1,777,173.99 : x - Step 2: Convert to fraction form
3,065,586.72/4,230,510.84 = 1,777,173.99/x - Step 3: Cross multiply
3,065,586.72x = 4,230,510.84 × 1,777,173.99 - Step 4: Simplify right side
3,065,586.72x = 7,518,353,829,261.05 - Step 5: Solve for x
x = 7,518,353,829,261.05/3,065,586.72 - Step 6: Final answer
x = 2,452,500.78
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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.