Finding the Fourth Proportional to 5,338,194.54, 7,366,671.81 and 2,890,749.57
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Solution
The fourth proportional to 5,338,194.54, 7,366,671.81 and 2,890,749.57 is: 3,989,214.56
Step by Step Solution
- Step 1: Write the proportion equation
5,338,194.54 : 7,366,671.81 = 2,890,749.57 : x - Step 2: Convert to fraction form
5,338,194.54/7,366,671.81 = 2,890,749.57/x - Step 3: Cross multiply
5,338,194.54x = 7,366,671.81 × 2,890,749.57 - Step 4: Simplify right side
5,338,194.54x = 21,295,203,367,088.62 - Step 5: Solve for x
x = 21,295,203,367,088.62/5,338,194.54 - Step 6: Final answer
x = 3,989,214.56
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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.