Finding the Fourth Proportional to 2,814,812.25, 4,222,179.99 and 684,898.44
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Solution
The fourth proportional to 2,814,812.25, 4,222,179.99 and 684,898.44 is: 1,027,338.32
Step by Step Solution
- Step 1: Write the proportion equation
2,814,812.25 : 4,222,179.99 = 684,898.44 : x - Step 2: Convert to fraction form
2,814,812.25/4,222,179.99 = 684,898.44/x - Step 3: Cross multiply
2,814,812.25x = 4,222,179.99 × 684,898.44 - Step 4: Simplify right side
2,814,812.25x = 2,891,764,488,550.22 - Step 5: Solve for x
x = 2,891,764,488,550.22/2,814,812.25 - Step 6: Final answer
x = 1,027,338.32
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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.