Finding the Fourth Proportional to 2,589,689.40, 3,885,455.70 and 2,497,529.40
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Solution
The fourth proportional to 2,589,689.40, 3,885,455.70 and 2,497,529.40 is: 3,747,182.90
Step by Step Solution
- Step 1: Write the proportion equation
2,589,689.40 : 3,885,455.70 = 2,497,529.40 : x - Step 2: Convert to fraction form
2,589,689.40/3,885,455.70 = 2,497,529.40/x - Step 3: Cross multiply
2,589,689.40x = 3,885,455.70 × 2,497,529.40 - Step 4: Simplify right side
2,589,689.40x = 9,704,039,843,147.58 - Step 5: Solve for x
x = 9,704,039,843,147.58/2,589,689.40 - Step 6: Final answer
x = 3,747,182.90
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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.