Finding the Fourth Proportional to 1,880,245.48, 2,819,769.18 and 617,780.20
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Solution
The fourth proportional to 1,880,245.48, 2,819,769.18 and 617,780.20 is: 926,473.48
Step by Step Solution
- Step 1: Write the proportion equation
1,880,245.48 : 2,819,769.18 = 617,780.20 : x - Step 2: Convert to fraction form
1,880,245.48/2,819,769.18 = 617,780.20/x - Step 3: Cross multiply
1,880,245.48x = 2,819,769.18 × 617,780.20 - Step 4: Simplify right side
1,880,245.48x = 1,741,997,567,974.24 - Step 5: Solve for x
x = 1,741,997,567,974.24/1,880,245.48 - Step 6: Final answer
x = 926,473.48
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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.