Finding the Fourth Proportional to 2,729,125.31, 3,765,971.99 and 1,567,200.92
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Solution
The fourth proportional to 2,729,125.31, 3,765,971.99 and 1,567,200.92 is: 2,162,610.39
Step by Step Solution
- Step 1: Write the proportion equation
2,729,125.31 : 3,765,971.99 = 1,567,200.92 : x - Step 2: Convert to fraction form
2,729,125.31/3,765,971.99 = 1,567,200.92/x - Step 3: Cross multiply
2,729,125.31x = 3,765,971.99 × 1,567,200.92 - Step 4: Simplify right side
2,729,125.31x = 5,902,034,740,756.37 - Step 5: Solve for x
x = 5,902,034,740,756.37/2,729,125.31 - Step 6: Final answer
x = 2,162,610.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.