Finding the Fourth Proportional to 2,130,922.80, 3,193,662.60 and 867,322.80
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Solution
The fourth proportional to 2,130,922.80, 3,193,662.60 and 867,322.80 is: 1,299,876.46
Step by Step Solution
- Step 1: Write the proportion equation
2,130,922.80 : 3,193,662.60 = 867,322.80 : x - Step 2: Convert to fraction form
2,130,922.80/3,193,662.60 = 867,322.80/x - Step 3: Cross multiply
2,130,922.80x = 3,193,662.60 × 867,322.80 - Step 4: Simplify right side
2,130,922.80x = 2,769,936,388,487.28 - Step 5: Solve for x
x = 2,769,936,388,487.28/2,130,922.80 - Step 6: Final answer
x = 1,299,876.46
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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.