Finding the Fourth Proportional to 2,217,487.70, 3,324,801.47 and 869,786.54
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Solution
The fourth proportional to 2,217,487.70, 3,324,801.47 and 869,786.54 is: 1,304,118.88
Step by Step Solution
- Step 1: Write the proportion equation
2,217,487.70 : 3,324,801.47 = 869,786.54 : x - Step 2: Convert to fraction form
2,217,487.70/3,324,801.47 = 869,786.54/x - Step 3: Cross multiply
2,217,487.70x = 3,324,801.47 × 869,786.54 - Step 4: Simplify right side
2,217,487.70x = 2,891,867,576,975.29 - Step 5: Solve for x
x = 2,891,867,576,975.29/2,217,487.70 - Step 6: Final answer
x = 1,304,118.88
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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.