Finding the Fourth Proportional to 2,193,124.24, 3,023,535.09 and 1,538,861.32
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Solution
The fourth proportional to 2,193,124.24, 3,023,535.09 and 1,538,861.32 is: 2,121,540.18
Step by Step Solution
- Step 1: Write the proportion equation
2,193,124.24 : 3,023,535.09 = 1,538,861.32 : x - Step 2: Convert to fraction form
2,193,124.24/3,023,535.09 = 1,538,861.32/x - Step 3: Cross multiply
2,193,124.24x = 3,023,535.09 × 1,538,861.32 - Step 4: Simplify right side
2,193,124.24x = 4,652,801,199,663.72 - Step 5: Solve for x
x = 4,652,801,199,663.72/2,193,124.24 - Step 6: Final answer
x = 2,121,540.18
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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.