Finding the Fourth Proportional to 5,433,961.68, 7,498,944.72 and 2,986,798.98
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Solution
The fourth proportional to 5,433,961.68, 7,498,944.72 and 2,986,798.98 is: 4,121,825.25
Step by Step Solution
- Step 1: Write the proportion equation
5,433,961.68 : 7,498,944.72 = 2,986,798.98 : x - Step 2: Convert to fraction form
5,433,961.68/7,498,944.72 = 2,986,798.98/x - Step 3: Cross multiply
5,433,961.68x = 7,498,944.72 × 2,986,798.98 - Step 4: Simplify right side
5,433,961.68x = 22,397,840,440,772.38 - Step 5: Solve for x
x = 22,397,840,440,772.38/5,433,961.68 - Step 6: Final answer
x = 4,121,825.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.