Finding the Fourth Proportional to 3,302,620.80, 4,953,931.20 and 2,771,179.80
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Solution
The fourth proportional to 3,302,620.80, 4,953,931.20 and 2,771,179.80 is: 4,156,769.70
Step by Step Solution
- Step 1: Write the proportion equation
3,302,620.80 : 4,953,931.20 = 2,771,179.80 : x - Step 2: Convert to fraction form
3,302,620.80/4,953,931.20 = 2,771,179.80/x - Step 3: Cross multiply
3,302,620.80x = 4,953,931.20 × 2,771,179.80 - Step 4: Simplify right side
3,302,620.80x = 13,728,234,072,029.76 - Step 5: Solve for x
x = 13,728,234,072,029.76/3,302,620.80 - Step 6: Final answer
x = 4,156,769.70
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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.