Finding the Fourth Proportional to 4,887,744.60, 6,745,242.22 and 2,822,722.84
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Solution
The fourth proportional to 4,887,744.60, 6,745,242.22 and 2,822,722.84 is: 3,895,446.84
Step by Step Solution
- Step 1: Write the proportion equation
4,887,744.60 : 6,745,242.22 = 2,822,722.84 : x - Step 2: Convert to fraction form
4,887,744.60/6,745,242.22 = 2,822,722.84/x - Step 3: Cross multiply
4,887,744.60x = 6,745,242.22 × 2,822,722.84 - Step 4: Simplify right side
4,887,744.60x = 19,039,949,275,726.30 - Step 5: Solve for x
x = 19,039,949,275,726.30/4,887,744.60 - Step 6: Final answer
x = 3,895,446.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.