Finding the Fourth Proportional to 3,028,380.75, 4,542,556.50 and 2,877,011.19
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Solution
The fourth proportional to 3,028,380.75, 4,542,556.50 and 2,877,011.19 is: 4,315,502.89
Step by Step Solution
- Step 1: Write the proportion equation
3,028,380.75 : 4,542,556.50 = 2,877,011.19 : x - Step 2: Convert to fraction form
3,028,380.75/4,542,556.50 = 2,877,011.19/x - Step 3: Cross multiply
3,028,380.75x = 4,542,556.50 × 2,877,011.19 - Step 4: Simplify right side
3,028,380.75x = 13,068,985,881,707.23 - Step 5: Solve for x
x = 13,068,985,881,707.23/3,028,380.75 - Step 6: Final answer
x = 4,315,502.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.