Finding the Fourth Proportional to 5,279,383.26, 7,281,785.28 and 4,845,200.12
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Solution
The fourth proportional to 5,279,383.26, 7,281,785.28 and 4,845,200.12 is: 6,682,922.07
Step by Step Solution
- Step 1: Write the proportion equation
5,279,383.26 : 7,281,785.28 = 4,845,200.12 : x - Step 2: Convert to fraction form
5,279,383.26/7,281,785.28 = 4,845,200.12/x - Step 3: Cross multiply
5,279,383.26x = 7,281,785.28 × 4,845,200.12 - Step 4: Simplify right side
5,279,383.26x = 35,281,706,912,470.23 - Step 5: Solve for x
x = 35,281,706,912,470.23/5,279,383.26 - Step 6: Final answer
x = 6,682,922.07
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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.