Finding the Fourth Proportional to 4,147,474.20, 6,221,211.30 and 3,685,579.80
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Solution
The fourth proportional to 4,147,474.20, 6,221,211.30 and 3,685,579.80 is: 5,528,369.70
Step by Step Solution
- Step 1: Write the proportion equation
4,147,474.20 : 6,221,211.30 = 3,685,579.80 : x - Step 2: Convert to fraction form
4,147,474.20/6,221,211.30 = 3,685,579.80/x - Step 3: Cross multiply
4,147,474.20x = 6,221,211.30 × 3,685,579.80 - Step 4: Simplify right side
4,147,474.20x = 22,928,770,698,811.74 - Step 5: Solve for x
x = 22,928,770,698,811.74/4,147,474.20 - Step 6: Final answer
x = 5,528,369.70
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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.