Finding the Fourth Proportional to 7,145,034.51, 10,717,560.14 and 1,957,687.97
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Solution
The fourth proportional to 7,145,034.51, 10,717,560.14 and 1,957,687.97 is: 2,936,534.25
Step by Step Solution
- Step 1: Write the proportion equation
7,145,034.51 : 10,717,560.14 = 1,957,687.97 : x - Step 2: Convert to fraction form
7,145,034.51/10,717,560.14 = 1,957,687.97/x - Step 3: Cross multiply
7,145,034.51x = 10,717,560.14 × 1,957,687.97 - Step 4: Simplify right side
7,145,034.51x = 20,981,638,553,829.52 - Step 5: Solve for x
x = 20,981,638,553,829.52/7,145,034.51 - Step 6: Final answer
x = 2,936,534.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.