Finding the Fourth Proportional to 5,744,905.05, 8,619,326.09 and 1,961,045.13
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Solution
The fourth proportional to 5,744,905.05, 8,619,326.09 and 1,961,045.13 is: 2,942,239.65
Step by Step Solution
- Step 1: Write the proportion equation
5,744,905.05 : 8,619,326.09 = 1,961,045.13 : x - Step 2: Convert to fraction form
5,744,905.05/8,619,326.09 = 1,961,045.13/x - Step 3: Cross multiply
5,744,905.05x = 8,619,326.09 × 1,961,045.13 - Step 4: Simplify right side
5,744,905.05x = 16,902,887,442,871.22 - Step 5: Solve for x
x = 16,902,887,442,871.22/5,744,905.05 - Step 6: Final answer
x = 2,942,239.65
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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.