Finding the Fourth Proportional to 4,045,384.80, 6,068,077.20 and 2,447,125.20
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Solution
The fourth proportional to 4,045,384.80, 6,068,077.20 and 2,447,125.20 is: 3,670,687.80
Step by Step Solution
- Step 1: Write the proportion equation
4,045,384.80 : 6,068,077.20 = 2,447,125.20 : x - Step 2: Convert to fraction form
4,045,384.80/6,068,077.20 = 2,447,125.20/x - Step 3: Cross multiply
4,045,384.80x = 6,068,077.20 × 2,447,125.20 - Step 4: Simplify right side
4,045,384.80x = 14,849,344,631,665.44 - Step 5: Solve for x
x = 14,849,344,631,665.44/4,045,384.80 - Step 6: Final answer
x = 3,670,687.80
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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.