Finding the Fourth Proportional to 2,909,147.09, 4,014,622.97 and 1,686,162.00
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Solution
The fourth proportional to 2,909,147.09, 4,014,622.97 and 1,686,162.00 is: 2,326,903.56
Step by Step Solution
- Step 1: Write the proportion equation
2,909,147.09 : 4,014,622.97 = 1,686,162.00 : x - Step 2: Convert to fraction form
2,909,147.09/4,014,622.97 = 1,686,162.00/x - Step 3: Cross multiply
2,909,147.09x = 4,014,622.97 × 1,686,162.00 - Step 4: Simplify right side
2,909,147.09x = 6,769,304,715,611.38 - Step 5: Solve for x
x = 6,769,304,715,611.38/2,909,147.09 - Step 6: Final answer
x = 2,326,903.56
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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.