Finding the Fourth Proportional to 7,589,291.60, 11,380,000.80 and 2,794,512.80
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Solution
The fourth proportional to 7,589,291.60, 11,380,000.80 and 2,794,512.80 is: 4,190,319.67
Step by Step Solution
- Step 1: Write the proportion equation
7,589,291.60 : 11,380,000.80 = 2,794,512.80 : x - Step 2: Convert to fraction form
7,589,291.60/11,380,000.80 = 2,794,512.80/x - Step 3: Cross multiply
7,589,291.60x = 11,380,000.80 × 2,794,512.80 - Step 4: Simplify right side
7,589,291.60x = 31,801,557,899,610.24 - Step 5: Solve for x
x = 31,801,557,899,610.24/7,589,291.60 - Step 6: Final answer
x = 4,190,319.67
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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.