Finding the Fourth Proportional to 2,311,052.28, 3,189,241.26 and 1,292,461.08
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Solution
The fourth proportional to 2,311,052.28, 3,189,241.26 and 1,292,461.08 is: 1,783,590.20
Step by Step Solution
- Step 1: Write the proportion equation
2,311,052.28 : 3,189,241.26 = 1,292,461.08 : x - Step 2: Convert to fraction form
2,311,052.28/3,189,241.26 = 1,292,461.08/x - Step 3: Cross multiply
2,311,052.28x = 3,189,241.26 × 1,292,461.08 - Step 4: Simplify right side
2,311,052.28x = 4,121,970,203,280.16 - Step 5: Solve for x
x = 4,121,970,203,280.16/2,311,052.28 - Step 6: Final answer
x = 1,783,590.20
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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.