Finding the Fourth Proportional to 3,203,956.99, 4,421,474.12 and 1,733,865.60
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Solution
The fourth proportional to 3,203,956.99, 4,421,474.12 and 1,733,865.60 is: 2,392,741.82
Step by Step Solution
- Step 1: Write the proportion equation
3,203,956.99 : 4,421,474.12 = 1,733,865.60 : x - Step 2: Convert to fraction form
3,203,956.99/4,421,474.12 = 1,733,865.60/x - Step 3: Cross multiply
3,203,956.99x = 4,421,474.12 × 1,733,865.60 - Step 4: Simplify right side
3,203,956.99x = 7,666,241,881,561.57 - Step 5: Solve for x
x = 7,666,241,881,561.57/3,203,956.99 - Step 6: Final answer
x = 2,392,741.82
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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.