Finding the Fourth Proportional to 2,293,240.80, 3,439,861.20 and 2,151,523.20
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Solution
The fourth proportional to 2,293,240.80, 3,439,861.20 and 2,151,523.20 is: 3,227,284.80
Step by Step Solution
- Step 1: Write the proportion equation
2,293,240.80 : 3,439,861.20 = 2,151,523.20 : x - Step 2: Convert to fraction form
2,293,240.80/3,439,861.20 = 2,151,523.20/x - Step 3: Cross multiply
2,293,240.80x = 3,439,861.20 × 2,151,523.20 - Step 4: Simplify right side
2,293,240.80x = 7,400,941,176,579.84 - Step 5: Solve for x
x = 7,400,941,176,579.84/2,293,240.80 - Step 6: Final answer
x = 3,227,284.80
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Double scale
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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.