Finding the Fourth Proportional to 3,407,954.97, 4,702,991.06 and 1,859,251.42
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Solution
The fourth proportional to 3,407,954.97, 4,702,991.06 and 1,859,251.42 is: 2,565,774.16
Step by Step Solution
- Step 1: Write the proportion equation
3,407,954.97 : 4,702,991.06 = 1,859,251.42 : x - Step 2: Convert to fraction form
3,407,954.97/4,702,991.06 = 1,859,251.42/x - Step 3: Cross multiply
3,407,954.97x = 4,702,991.06 × 1,859,251.42 - Step 4: Simplify right side
3,407,954.97x = 8,744,042,797,256.05 - Step 5: Solve for x
x = 8,744,042,797,256.05/3,407,954.97 - Step 6: Final answer
x = 2,565,774.16
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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.