Finding the Fourth Proportional to 5,626,723.28, 7,764,915.36 and 3,048,404.08
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Solution
The fourth proportional to 5,626,723.28, 7,764,915.36 and 3,048,404.08 is: 4,206,817.80
Step by Step Solution
- Step 1: Write the proportion equation
5,626,723.28 : 7,764,915.36 = 3,048,404.08 : x - Step 2: Convert to fraction form
5,626,723.28/7,764,915.36 = 3,048,404.08/x - Step 3: Cross multiply
5,626,723.28x = 7,764,915.36 × 3,048,404.08 - Step 4: Simplify right side
5,626,723.28x = 23,670,599,664,278.67 - Step 5: Solve for x
x = 23,670,599,664,278.67/5,626,723.28 - Step 6: Final answer
x = 4,206,817.80
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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.