Finding the Fourth Proportional to 5,652,542.34, 7,800,564.87 and 3,074,279.94
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Solution
The fourth proportional to 5,652,542.34, 7,800,564.87 and 3,074,279.94 is: 4,242,537.01
Step by Step Solution
- Step 1: Write the proportion equation
5,652,542.34 : 7,800,564.87 = 3,074,279.94 : x - Step 2: Convert to fraction form
5,652,542.34/7,800,564.87 = 3,074,279.94/x - Step 3: Cross multiply
5,652,542.34x = 7,800,564.87 × 3,074,279.94 - Step 4: Simplify right side
5,652,542.34x = 23,981,120,100,509.71 - Step 5: Solve for x
x = 23,981,120,100,509.71/5,652,542.34 - Step 6: Final answer
x = 4,242,537.01
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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.