Finding the Fourth Proportional to 2,214,246.30, 3,321,369.45 and 2,193,251.10
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Solution
The fourth proportional to 2,214,246.30, 3,321,369.45 and 2,193,251.10 is: 3,289,876.65
Step by Step Solution
- Step 1: Write the proportion equation
2,214,246.30 : 3,321,369.45 = 2,193,251.10 : x - Step 2: Convert to fraction form
2,214,246.30/3,321,369.45 = 2,193,251.10/x - Step 3: Cross multiply
2,214,246.30x = 3,321,369.45 × 2,193,251.10 - Step 4: Simplify right side
2,214,246.30x = 7,284,597,199,718.90 - Step 5: Solve for x
x = 7,284,597,199,718.90/2,214,246.30 - Step 6: Final answer
x = 3,289,876.65
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Double scale
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Similar ratio
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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.