Finding the Fourth Proportional to 5,782,755.19, 7,980,249.05 and 3,204,479.02
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Solution
The fourth proportional to 5,782,755.19, 7,980,249.05 and 3,204,479.02 is: 4,422,207.03
Step by Step Solution
- Step 1: Write the proportion equation
5,782,755.19 : 7,980,249.05 = 3,204,479.02 : x - Step 2: Convert to fraction form
5,782,755.19/7,980,249.05 = 3,204,479.02/x - Step 3: Cross multiply
5,782,755.19x = 7,980,249.05 × 3,204,479.02 - Step 4: Simplify right side
5,782,755.19x = 25,572,540,655,099.93 - Step 5: Solve for x
x = 25,572,540,655,099.93/5,782,755.19 - Step 6: Final answer
x = 4,422,207.03
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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.