Finding the Fourth Proportional to 5,338,148.14, 7,366,648.36 and 2,890,761.86
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Solution
The fourth proportional to 5,338,148.14, 7,366,648.36 and 2,890,761.86 is: 3,989,253.49
Step by Step Solution
- Step 1: Write the proportion equation
5,338,148.14 : 7,366,648.36 = 2,890,761.86 : x - Step 2: Convert to fraction form
5,338,148.14/7,366,648.36 = 2,890,761.86/x - Step 3: Cross multiply
5,338,148.14x = 7,366,648.36 × 2,890,761.86 - Step 4: Simplify right side
5,338,148.14x = 21,295,226,078,286.31 - Step 5: Solve for x
x = 21,295,226,078,286.31/5,338,148.14 - Step 6: Final answer
x = 3,989,253.49
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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.