Finding the Fourth Proportional to 4,079,249.40, 6,121,206.90 and 2,817,982.20
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Solution
The fourth proportional to 4,079,249.40, 6,121,206.90 and 2,817,982.20 is: 4,228,584.82
Step by Step Solution
- Step 1: Write the proportion equation
4,079,249.40 : 6,121,206.90 = 2,817,982.20 : x - Step 2: Convert to fraction form
4,079,249.40/6,121,206.90 = 2,817,982.20/x - Step 3: Cross multiply
4,079,249.40x = 6,121,206.90 × 2,817,982.20 - Step 4: Simplify right side
4,079,249.40x = 17,249,452,086,717.18 - Step 5: Solve for x
x = 17,249,452,086,717.18/4,079,249.40 - Step 6: Final answer
x = 4,228,584.82
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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.