Finding the Fourth Proportional to 4,078,170.56, 5,627,783.76 and 2,217,545.92
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Solution
The fourth proportional to 4,078,170.56, 5,627,783.76 and 2,217,545.92 is: 3,060,163.55
Step by Step Solution
- Step 1: Write the proportion equation
4,078,170.56 : 5,627,783.76 = 2,217,545.92 : x - Step 2: Convert to fraction form
4,078,170.56/5,627,783.76 = 2,217,545.92/x - Step 3: Cross multiply
4,078,170.56x = 5,627,783.76 × 2,217,545.92 - Step 4: Simplify right side
4,078,170.56x = 12,479,868,915,630.26 - Step 5: Solve for x
x = 12,479,868,915,630.26/4,078,170.56 - Step 6: Final answer
x = 3,060,163.55
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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.