Finding the Fourth Proportional to 5,338,195.68, 7,366,713.95 and 2,890,809.37
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Solution
The fourth proportional to 5,338,195.68, 7,366,713.95 and 2,890,809.37 is: 3,989,319.05
Step by Step Solution
- Step 1: Write the proportion equation
5,338,195.68 : 7,366,713.95 = 2,890,809.37 : x - Step 2: Convert to fraction form
5,338,195.68/7,366,713.95 = 2,890,809.37/x - Step 3: Cross multiply
5,338,195.68x = 7,366,713.95 × 2,890,809.37 - Step 4: Simplify right side
5,338,195.68x = 21,295,765,729,205.12 - Step 5: Solve for x
x = 21,295,765,729,205.12/5,338,195.68 - Step 6: Final answer
x = 3,989,319.05
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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.