Finding the Fourth Proportional to 2,126,786.31, 3,190,163.06 and 529,338.65
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Solution
The fourth proportional to 2,126,786.31, 3,190,163.06 and 529,338.65 is: 794,003.89
Step by Step Solution
- Step 1: Write the proportion equation
2,126,786.31 : 3,190,163.06 = 529,338.65 : x - Step 2: Convert to fraction form
2,126,786.31/3,190,163.06 = 529,338.65/x - Step 3: Cross multiply
2,126,786.31x = 3,190,163.06 × 529,338.65 - Step 4: Simplify right side
2,126,786.31x = 1,688,676,592,832.80 - Step 5: Solve for x
x = 1,688,676,592,832.80/2,126,786.31 - Step 6: Final answer
x = 794,003.89
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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.