Finding the Fourth Proportional to 2,257,305.92, 3,114,958.08 and 1,238,630.24
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Solution
The fourth proportional to 2,257,305.92, 3,114,958.08 and 1,238,630.24 is: 1,709,241.64
Step by Step Solution
- Step 1: Write the proportion equation
2,257,305.92 : 3,114,958.08 = 1,238,630.24 : x - Step 2: Convert to fraction form
2,257,305.92/3,114,958.08 = 1,238,630.24/x - Step 3: Cross multiply
2,257,305.92x = 3,114,958.08 × 1,238,630.24 - Step 4: Simplify right side
2,257,305.92x = 3,858,281,274,220.34 - Step 5: Solve for x
x = 3,858,281,274,220.34/2,257,305.92 - Step 6: Final answer
x = 1,709,241.64
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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.