Finding the Fourth Proportional to 5,754,069.29, 7,940,576.51 and 3,175,749.99
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Solution
The fourth proportional to 5,754,069.29, 7,940,576.51 and 3,175,749.99 is: 4,382,513.40
Step by Step Solution
- Step 1: Write the proportion equation
5,754,069.29 : 7,940,576.51 = 3,175,749.99 : x - Step 2: Convert to fraction form
5,754,069.29/7,940,576.51 = 3,175,749.99/x - Step 3: Cross multiply
5,754,069.29x = 7,940,576.51 × 3,175,749.99 - Step 4: Simplify right side
5,754,069.29x = 25,217,285,768,257.05 - Step 5: Solve for x
x = 25,217,285,768,257.05/5,754,069.29 - Step 6: Final answer
x = 4,382,513.40
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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.