Finding the Fourth Proportional to 4,170,830.20, 6,256,245.30 and 1,478,195.80
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Solution
The fourth proportional to 4,170,830.20, 6,256,245.30 and 1,478,195.80 is: 2,217,293.70
Step by Step Solution
- Step 1: Write the proportion equation
4,170,830.20 : 6,256,245.30 = 1,478,195.80 : x - Step 2: Convert to fraction form
4,170,830.20/6,256,245.30 = 1,478,195.80/x - Step 3: Cross multiply
4,170,830.20x = 6,256,245.30 × 1,478,195.80 - Step 4: Simplify right side
4,170,830.20x = 9,247,955,526,229.74 - Step 5: Solve for x
x = 9,247,955,526,229.74/4,170,830.20 - Step 6: Final answer
x = 2,217,293.70
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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.