Finding the Fourth Proportional to 4,947,318.05, 7,421,909.36 and 1,874,229.38
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Solution
The fourth proportional to 4,947,318.05, 7,421,909.36 and 1,874,229.38 is: 2,811,697.26
Step by Step Solution
- Step 1: Write the proportion equation
4,947,318.05 : 7,421,909.36 = 1,874,229.38 : x - Step 2: Convert to fraction form
4,947,318.05/7,421,909.36 = 1,874,229.38/x - Step 3: Cross multiply
4,947,318.05x = 7,421,909.36 × 1,874,229.38 - Step 4: Simplify right side
4,947,318.05x = 13,910,360,611,851.24 - Step 5: Solve for x
x = 13,910,360,611,851.24/4,947,318.05 - Step 6: Final answer
x = 2,811,697.26
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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.