Finding the Fourth Proportional to 5,687,279.26, 7,848,497.64 and 3,239,854.08
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Solution
The fourth proportional to 5,687,279.26, 7,848,497.64 and 3,239,854.08 is: 4,471,028.40
Step by Step Solution
- Step 1: Write the proportion equation
5,687,279.26 : 7,848,497.64 = 3,239,854.08 : x - Step 2: Convert to fraction form
5,687,279.26/7,848,497.64 = 3,239,854.08/x - Step 3: Cross multiply
5,687,279.26x = 7,848,497.64 × 3,239,854.08 - Step 4: Simplify right side
5,687,279.26x = 25,427,987,100,824.37 - Step 5: Solve for x
x = 25,427,987,100,824.37/5,687,279.26 - Step 6: Final answer
x = 4,471,028.40
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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.