Finding the Fourth Proportional to 3,974,711.20, 5,962,390.80 and 1,700,252.80
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Solution
The fourth proportional to 3,974,711.20, 5,962,390.80 and 1,700,252.80 is: 2,550,517.80
Step by Step Solution
- Step 1: Write the proportion equation
3,974,711.20 : 5,962,390.80 = 1,700,252.80 : x - Step 2: Convert to fraction form
3,974,711.20/5,962,390.80 = 1,700,252.80/x - Step 3: Cross multiply
3,974,711.20x = 5,962,390.80 × 1,700,252.80 - Step 4: Simplify right side
3,974,711.20x = 10,137,571,652,394.24 - Step 5: Solve for x
x = 10,137,571,652,394.24/3,974,711.20 - Step 6: Final answer
x = 2,550,517.80
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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.