Finding the Fourth Proportional to 5,782,845.12, 7,980,373.49 and 3,204,568.95
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Solution
The fourth proportional to 5,782,845.12, 7,980,373.49 and 3,204,568.95 is: 4,422,331.32
Step by Step Solution
- Step 1: Write the proportion equation
5,782,845.12 : 7,980,373.49 = 3,204,568.95 : x - Step 2: Convert to fraction form
5,782,845.12/7,980,373.49 = 3,204,568.95/x - Step 3: Cross multiply
5,782,845.12x = 7,980,373.49 × 3,204,568.95 - Step 4: Simplify right side
5,782,845.12x = 25,573,657,079,434.29 - Step 5: Solve for x
x = 25,573,657,079,434.29/5,782,845.12 - Step 6: Final answer
x = 4,422,331.32
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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.