Finding the Fourth Proportional to 2,491,765.02, 3,439,395.75 and 1,445,450.67
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Solution
The fourth proportional to 2,491,765.02, 3,439,395.75 and 1,445,450.67 is: 1,995,162.81
Step by Step Solution
- Step 1: Write the proportion equation
2,491,765.02 : 3,439,395.75 = 1,445,450.67 : x - Step 2: Convert to fraction form
2,491,765.02/3,439,395.75 = 1,445,450.67/x - Step 3: Cross multiply
2,491,765.02x = 3,439,395.75 × 1,445,450.67 - Step 4: Simplify right side
2,491,765.02x = 4,971,476,891,232.65 - Step 5: Solve for x
x = 4,971,476,891,232.65/2,491,765.02 - Step 6: Final answer
x = 1,995,162.81
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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.