Finding the Fourth Proportional to 1,412,428.66, 2,119,576.11 and 664,532.98
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Solution
The fourth proportional to 1,412,428.66, 2,119,576.11 and 664,532.98 is: 997,238.49
Step by Step Solution
- Step 1: Write the proportion equation
1,412,428.66 : 2,119,576.11 = 664,532.98 : x - Step 2: Convert to fraction form
1,412,428.66/2,119,576.11 = 664,532.98/x - Step 3: Cross multiply
1,412,428.66x = 2,119,576.11 × 664,532.98 - Step 4: Simplify right side
1,412,428.66x = 1,408,528,228,715.11 - Step 5: Solve for x
x = 1,408,528,228,715.11/1,412,428.66 - Step 6: Final answer
x = 997,238.49
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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.