Finding the Fourth Proportional to 2,930,656.20, 4,395,984.30 and 2,080,350.60
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Solution
The fourth proportional to 2,930,656.20, 4,395,984.30 and 2,080,350.60 is: 3,120,525.90
Step by Step Solution
- Step 1: Write the proportion equation
2,930,656.20 : 4,395,984.30 = 2,080,350.60 : x - Step 2: Convert to fraction form
2,930,656.20/4,395,984.30 = 2,080,350.60/x - Step 3: Cross multiply
2,930,656.20x = 4,395,984.30 × 2,080,350.60 - Step 4: Simplify right side
2,930,656.20x = 9,145,188,576,095.58 - Step 5: Solve for x
x = 9,145,188,576,095.58/2,930,656.20 - Step 6: Final answer
x = 3,120,525.90
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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.