Finding the Fourth Proportional to 3,853,087.08, 5,317,193.66 and 2,134,170.70
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Solution
The fourth proportional to 3,853,087.08, 5,317,193.66 and 2,134,170.70 is: 2,945,118.73
Step by Step Solution
- Step 1: Write the proportion equation
3,853,087.08 : 5,317,193.66 = 2,134,170.70 : x - Step 2: Convert to fraction form
3,853,087.08/5,317,193.66 = 2,134,170.70/x - Step 3: Cross multiply
3,853,087.08x = 5,317,193.66 × 2,134,170.70 - Step 4: Simplify right side
3,853,087.08x = 11,347,798,915,397.76 - Step 5: Solve for x
x = 11,347,798,915,397.76/3,853,087.08 - Step 6: Final answer
x = 2,945,118.73
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1.5x scale
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.