Finding the Fourth Proportional to 3,223,148.80, 4,829,474.40 and 2,372,843.20
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Solution
The fourth proportional to 3,223,148.80, 4,829,474.40 and 2,372,843.20 is: 3,555,400.70
Step by Step Solution
- Step 1: Write the proportion equation
3,223,148.80 : 4,829,474.40 = 2,372,843.20 : x - Step 2: Convert to fraction form
3,223,148.80/4,829,474.40 = 2,372,843.20/x - Step 3: Cross multiply
3,223,148.80x = 4,829,474.40 × 2,372,843.20 - Step 4: Simplify right side
3,223,148.80x = 11,459,585,489,614.08 - Step 5: Solve for x
x = 11,459,585,489,614.08/3,223,148.80 - Step 6: Final answer
x = 3,555,400.70
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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.