Finding the Fourth Proportional to 1,660,578.71, 2,481,769.87 and 1,212,243.71
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Solution
The fourth proportional to 1,660,578.71, 2,481,769.87 and 1,212,243.71 is: 1,811,723.76
Step by Step Solution
- Step 1: Write the proportion equation
1,660,578.71 : 2,481,769.87 = 1,212,243.71 : x - Step 2: Convert to fraction form
1,660,578.71/2,481,769.87 = 1,212,243.71/x - Step 3: Cross multiply
1,660,578.71x = 2,481,769.87 × 1,212,243.71 - Step 4: Simplify right side
1,660,578.71x = 3,008,509,899,135.56 - Step 5: Solve for x
x = 3,008,509,899,135.56/1,660,578.71 - Step 6: Final answer
x = 1,811,723.76
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.