Finding the Fourth Proportional to 5,368,135.68, 8,049,715.20 and 2,001,438.72
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Solution
The fourth proportional to 5,368,135.68, 8,049,715.20 and 2,001,438.72 is: 3,001,230.34
Step by Step Solution
- Step 1: Write the proportion equation
5,368,135.68 : 8,049,715.20 = 2,001,438.72 : x - Step 2: Convert to fraction form
5,368,135.68/8,049,715.20 = 2,001,438.72/x - Step 3: Cross multiply
5,368,135.68x = 8,049,715.20 × 2,001,438.72 - Step 4: Simplify right side
5,368,135.68x = 16,111,011,686,252.54 - Step 5: Solve for x
x = 16,111,011,686,252.54/5,368,135.68 - Step 6: Final answer
x = 3,001,230.34
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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.