Finding the Fourth Proportional to 4,813,984.08, 7,178,548.14 and 4,770,812.70
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Solution
The fourth proportional to 4,813,984.08, 7,178,548.14 and 4,770,812.70 is: 7,114,171.56
Step by Step Solution
- Step 1: Write the proportion equation
4,813,984.08 : 7,178,548.14 = 4,770,812.70 : x - Step 2: Convert to fraction form
4,813,984.08/7,178,548.14 = 4,770,812.70/x - Step 3: Cross multiply
4,813,984.08x = 7,178,548.14 × 4,770,812.70 - Step 4: Simplify right side
4,813,984.08x = 34,247,508,633,873.38 - Step 5: Solve for x
x = 34,247,508,633,873.38/4,813,984.08 - Step 6: Final answer
x = 7,114,171.56
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.