Finding the Fourth Proportional to 5,136,511.14, 7,704,831.20 and 1,542,069.11
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Solution
The fourth proportional to 5,136,511.14, 7,704,831.20 and 1,542,069.11 is: 2,313,123.02
Step by Step Solution
- Step 1: Write the proportion equation
5,136,511.14 : 7,704,831.20 = 1,542,069.11 : x - Step 2: Convert to fraction form
5,136,511.14/7,704,831.20 = 1,542,069.11/x - Step 3: Cross multiply
5,136,511.14x = 7,704,831.20 × 1,542,069.11 - Step 4: Simplify right side
5,136,511.14x = 11,881,382,145,049.73 - Step 5: Solve for x
x = 11,881,382,145,049.73/5,136,511.14 - Step 6: Final answer
x = 2,313,123.02
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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.