Finding the Fourth Proportional to 2,115,810.24, 3,174,252.39 and 979,391.58
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Solution
The fourth proportional to 2,115,810.24, 3,174,252.39 and 979,391.58 is: 1,469,335.96
Step by Step Solution
- Step 1: Write the proportion equation
2,115,810.24 : 3,174,252.39 = 979,391.58 : x - Step 2: Convert to fraction form
2,115,810.24/3,174,252.39 = 979,391.58/x - Step 3: Cross multiply
2,115,810.24x = 3,174,252.39 × 979,391.58 - Step 4: Simplify right side
2,115,810.24x = 3,108,836,063,560.88 - Step 5: Solve for x
x = 3,108,836,063,560.88/2,115,810.24 - Step 6: Final answer
x = 1,469,335.96
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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.