Finding the Fourth Proportional to 2,707,858.90, 3,738,544.41 and 1,742,666.54
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Solution
The fourth proportional to 2,707,858.90, 3,738,544.41 and 1,742,666.54 is: 2,405,973.31
Step by Step Solution
- Step 1: Write the proportion equation
2,707,858.90 : 3,738,544.41 = 1,742,666.54 : x - Step 2: Convert to fraction form
2,707,858.90/3,738,544.41 = 1,742,666.54/x - Step 3: Cross multiply
2,707,858.90x = 3,738,544.41 × 1,742,666.54 - Step 4: Simplify right side
2,707,858.90x = 6,515,036,251,611.04 - Step 5: Solve for x
x = 6,515,036,251,611.04/2,707,858.90 - Step 6: Final answer
x = 2,405,973.31
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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.