Finding the Fourth Proportional to 5,759,568.99, 8,640,642.11 and 2,165,367.09
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Solution
The fourth proportional to 5,759,568.99, 8,640,642.11 and 2,165,367.09 is: 3,248,535.11
Step by Step Solution
- Step 1: Write the proportion equation
5,759,568.99 : 8,640,642.11 = 2,165,367.09 : x - Step 2: Convert to fraction form
5,759,568.99/8,640,642.11 = 2,165,367.09/x - Step 3: Cross multiply
5,759,568.99x = 8,640,642.11 × 2,165,367.09 - Step 4: Simplify right side
5,759,568.99x = 18,710,162,061,462.16 - Step 5: Solve for x
x = 18,710,162,061,462.16/5,759,568.99 - Step 6: Final answer
x = 3,248,535.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.