Finding the Fourth Proportional to 1,608,283.68, 2,219,608.44 and 920,019.12
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Solution
The fourth proportional to 1,608,283.68, 2,219,608.44 and 920,019.12 is: 1,269,727.62
Step by Step Solution
- Step 1: Write the proportion equation
1,608,283.68 : 2,219,608.44 = 920,019.12 : x - Step 2: Convert to fraction form
1,608,283.68/2,219,608.44 = 920,019.12/x - Step 3: Cross multiply
1,608,283.68x = 2,219,608.44 × 920,019.12 - Step 4: Simplify right side
1,608,283.68x = 2,042,082,203,713.37 - Step 5: Solve for x
x = 2,042,082,203,713.37/1,608,283.68 - Step 6: Final answer
x = 1,269,727.62
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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.