Finding the Fourth Proportional to 2,192,130.52, 3,288,121.96 and 772,149.68
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Solution
The fourth proportional to 2,192,130.52, 3,288,121.96 and 772,149.68 is: 1,158,198.52
Step by Step Solution
- Step 1: Write the proportion equation
2,192,130.52 : 3,288,121.96 = 772,149.68 : x - Step 2: Convert to fraction form
2,192,130.52/3,288,121.96 = 772,149.68/x - Step 3: Cross multiply
2,192,130.52x = 3,288,121.96 × 772,149.68 - Step 4: Simplify right side
2,192,130.52x = 2,538,922,319,214.97 - Step 5: Solve for x
x = 2,538,922,319,214.97/2,192,130.52 - Step 6: Final answer
x = 1,158,198.52
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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.