Finding the Fourth Proportional to 2,079,504.80, 3,119,257.20 and 1,180,599.20
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Solution
The fourth proportional to 2,079,504.80, 3,119,257.20 and 1,180,599.20 is: 1,770,898.80
Step by Step Solution
- Step 1: Write the proportion equation
2,079,504.80 : 3,119,257.20 = 1,180,599.20 : x - Step 2: Convert to fraction form
2,079,504.80/3,119,257.20 = 1,180,599.20/x - Step 3: Cross multiply
2,079,504.80x = 3,119,257.20 × 1,180,599.20 - Step 4: Simplify right side
2,079,504.80x = 3,682,592,554,914.24 - Step 5: Solve for x
x = 3,682,592,554,914.24/2,079,504.80 - Step 6: Final answer
x = 1,770,898.80
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1.5x scale
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.