Finding the Fourth Proportional to 4,292,255.48, 5,923,311.20 and 2,358,640.62
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Solution
The fourth proportional to 4,292,255.48, 5,923,311.20 and 2,358,640.62 is: 3,254,923.31
Step by Step Solution
- Step 1: Write the proportion equation
4,292,255.48 : 5,923,311.20 = 2,358,640.62 : x - Step 2: Convert to fraction form
4,292,255.48/5,923,311.20 = 2,358,640.62/x - Step 3: Cross multiply
4,292,255.48x = 5,923,311.20 × 2,358,640.62 - Step 4: Simplify right side
4,292,255.48x = 13,970,962,398,272.64 - Step 5: Solve for x
x = 13,970,962,398,272.64/4,292,255.48 - Step 6: Final answer
x = 3,254,923.31
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1.5x scale
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.