Finding the Fourth Proportional to 2,190,672.24, 3,038,593.92 and 2,132,410.56
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Solution
The fourth proportional to 2,190,672.24, 3,038,593.92 and 2,132,410.56 is: 2,957,781.47
Step by Step Solution
- Step 1: Write the proportion equation
2,190,672.24 : 3,038,593.92 = 2,132,410.56 : x - Step 2: Convert to fraction form
2,190,672.24/3,038,593.92 = 2,132,410.56/x - Step 3: Cross multiply
2,190,672.24x = 3,038,593.92 × 2,132,410.56 - Step 4: Simplify right side
2,190,672.24x = 6,479,529,762,559.80 - Step 5: Solve for x
x = 6,479,529,762,559.80/2,190,672.24 - Step 6: Final answer
x = 2,957,781.47
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.