Finding the Fourth Proportional to 3,994,956.96, 5,513,138.16 and 2,425,107.36
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Solution
The fourth proportional to 3,994,956.96, 5,513,138.16 and 2,425,107.36 is: 3,346,707.38
Step by Step Solution
- Step 1: Write the proportion equation
3,994,956.96 : 5,513,138.16 = 2,425,107.36 : x - Step 2: Convert to fraction form
3,994,956.96/5,513,138.16 = 2,425,107.36/x - Step 3: Cross multiply
3,994,956.96x = 5,513,138.16 × 2,425,107.36 - Step 4: Simplify right side
3,994,956.96x = 13,369,951,928,512.86 - Step 5: Solve for x
x = 13,369,951,928,512.86/3,994,956.96 - Step 6: Final answer
x = 3,346,707.38
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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.