Finding the Fourth Proportional to 5,103,769.70, 7,646,797.20 and 4,306,608.20
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Solution
The fourth proportional to 5,103,769.70, 7,646,797.20 and 4,306,608.20 is: 6,452,438.39
Step by Step Solution
- Step 1: Write the proportion equation
5,103,769.70 : 7,646,797.20 = 4,306,608.20 : x - Step 2: Convert to fraction form
5,103,769.70/7,646,797.20 = 4,306,608.20/x - Step 3: Cross multiply
5,103,769.70x = 7,646,797.20 × 4,306,608.20 - Step 4: Simplify right side
5,103,769.70x = 32,931,759,525,257.04 - Step 5: Solve for x
x = 32,931,759,525,257.04/5,103,769.70 - Step 6: Final answer
x = 6,452,438.39
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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.