Finding the Fourth Proportional to 5,424,065.38, 7,484,715.44 and 3,218,548.08
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Solution
The fourth proportional to 5,424,065.38, 7,484,715.44 and 3,218,548.08 is: 4,441,302.75
Step by Step Solution
- Step 1: Write the proportion equation
5,424,065.38 : 7,484,715.44 = 3,218,548.08 : x - Step 2: Convert to fraction form
5,424,065.38/7,484,715.44 = 3,218,548.08/x - Step 3: Cross multiply
5,424,065.38x = 7,484,715.44 × 3,218,548.08 - Step 4: Simplify right side
5,424,065.38x = 24,089,916,508,758.36 - Step 5: Solve for x
x = 24,089,916,508,758.36/5,424,065.38 - Step 6: Final answer
x = 4,441,302.75
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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.