Finding the Fourth Proportional to 3,391,373.80, 5,087,060.70 and 3,072,509.20
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Solution
The fourth proportional to 3,391,373.80, 5,087,060.70 and 3,072,509.20 is: 4,608,763.80
Step by Step Solution
- Step 1: Write the proportion equation
3,391,373.80 : 5,087,060.70 = 3,072,509.20 : x - Step 2: Convert to fraction form
3,391,373.80/5,087,060.70 = 3,072,509.20/x - Step 3: Cross multiply
3,391,373.80x = 5,087,060.70 × 3,072,509.20 - Step 4: Simplify right side
3,391,373.80x = 15,630,040,801,708.44 - Step 5: Solve for x
x = 15,630,040,801,708.44/3,391,373.80 - Step 6: Final answer
x = 4,608,763.80
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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.