Finding the Fourth Proportional to 7,772,080.21, 11,658,898.10 and 2,380,668.37
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Solution
The fourth proportional to 7,772,080.21, 11,658,898.10 and 2,380,668.37 is: 3,571,240.80
Step by Step Solution
- Step 1: Write the proportion equation
7,772,080.21 : 11,658,898.10 = 2,380,668.37 : x - Step 2: Convert to fraction form
7,772,080.21/11,658,898.10 = 2,380,668.37/x - Step 3: Cross multiply
7,772,080.21x = 11,658,898.10 × 2,380,668.37 - Step 4: Simplify right side
7,772,080.21x = 27,755,969,923,819.76 - Step 5: Solve for x
x = 27,755,969,923,819.76/7,772,080.21 - Step 6: Final answer
x = 3,571,240.80
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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.