Finding the Fourth Proportional to 1,449,182.80, 2,173,774.20 and 1,246,229.20
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Solution
The fourth proportional to 1,449,182.80, 2,173,774.20 and 1,246,229.20 is: 1,869,343.80
Step by Step Solution
- Step 1: Write the proportion equation
1,449,182.80 : 2,173,774.20 = 1,246,229.20 : x - Step 2: Convert to fraction form
1,449,182.80/2,173,774.20 = 1,246,229.20/x - Step 3: Cross multiply
1,449,182.80x = 2,173,774.20 × 1,246,229.20 - Step 4: Simplify right side
1,449,182.80x = 2,709,020,882,246.64 - Step 5: Solve for x
x = 2,709,020,882,246.64/1,449,182.80 - Step 6: Final answer
x = 1,869,343.80
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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.