Finding the Fourth Proportional to 1,981,548.84, 2,972,899.41 and 829,339.10
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Solution
The fourth proportional to 1,981,548.84, 2,972,899.41 and 829,339.10 is: 1,244,249.79
Step by Step Solution
- Step 1: Write the proportion equation
1,981,548.84 : 2,972,899.41 = 829,339.10 : x - Step 2: Convert to fraction form
1,981,548.84/2,972,899.41 = 829,339.10/x - Step 3: Cross multiply
1,981,548.84x = 2,972,899.41 × 829,339.10 - Step 4: Simplify right side
1,981,548.84x = 2,465,541,721,079.93 - Step 5: Solve for x
x = 2,465,541,721,079.93/1,981,548.84 - Step 6: Final answer
x = 1,244,249.79
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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.