Finding the Fourth Proportional to 1,424,005.99, 2,135,676.72 and 412,856.56
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Solution
The fourth proportional to 1,424,005.99, 2,135,676.72 and 412,856.56 is: 619,188.51
Step by Step Solution
- Step 1: Write the proportion equation
1,424,005.99 : 2,135,676.72 = 412,856.56 : x - Step 2: Convert to fraction form
1,424,005.99/2,135,676.72 = 412,856.56/x - Step 3: Cross multiply
1,424,005.99x = 2,135,676.72 × 412,856.56 - Step 4: Simplify right side
1,424,005.99x = 881,728,143,891.28 - Step 5: Solve for x
x = 881,728,143,891.28/1,424,005.99 - Step 6: Final answer
x = 619,188.51
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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.