Finding the Fourth Proportional to 3,398,246.88, 5,097,370.41 and 3,190,394.40
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Solution
The fourth proportional to 3,398,246.88, 5,097,370.41 and 3,190,394.40 is: 4,785,591.68
Step by Step Solution
- Step 1: Write the proportion equation
3,398,246.88 : 5,097,370.41 = 3,190,394.40 : x - Step 2: Convert to fraction form
3,398,246.88/5,097,370.41 = 3,190,394.40/x - Step 3: Cross multiply
3,398,246.88x = 5,097,370.41 × 3,190,394.40 - Step 4: Simplify right side
3,398,246.88x = 16,262,622,010,789.70 - Step 5: Solve for x
x = 16,262,622,010,789.70/3,398,246.88 - Step 6: Final answer
x = 4,785,591.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.