Finding the Fourth Proportional to 7,939,669.08, 11,909,576.79 and 2,259,891.84
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Solution
The fourth proportional to 7,939,669.08, 11,909,576.79 and 2,259,891.84 is: 3,389,858.59
Step by Step Solution
- Step 1: Write the proportion equation
7,939,669.08 : 11,909,576.79 = 2,259,891.84 : x - Step 2: Convert to fraction form
7,939,669.08/11,909,576.79 = 2,259,891.84/x - Step 3: Cross multiply
7,939,669.08x = 11,909,576.79 × 2,259,891.84 - Step 4: Simplify right side
7,939,669.08x = 26,914,355,405,574.39 - Step 5: Solve for x
x = 26,914,355,405,574.39/7,939,669.08 - Step 6: Final answer
x = 3,389,858.59
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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.