Finding the Fourth Proportional to 3,889,237.20, 5,823,358.20 and 3,049,429.20
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Solution
The fourth proportional to 3,889,237.20, 5,823,358.20 and 3,049,429.20 is: 4,565,912.96
Step by Step Solution
- Step 1: Write the proportion equation
3,889,237.20 : 5,823,358.20 = 3,049,429.20 : x - Step 2: Convert to fraction form
3,889,237.20/5,823,358.20 = 3,049,429.20/x - Step 3: Cross multiply
3,889,237.20x = 5,823,358.20 × 3,049,429.20 - Step 4: Simplify right side
3,889,237.20x = 17,757,918,537,139.44 - Step 5: Solve for x
x = 17,757,918,537,139.44/3,889,237.20 - Step 6: Final answer
x = 4,565,912.96
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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.