Finding the Fourth Proportional to 2,237,474.24, 3,087,719.72 and 1,218,857.12
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Solution
The fourth proportional to 2,237,474.24, 3,087,719.72 and 1,218,857.12 is: 1,682,025.70
Step by Step Solution
- Step 1: Write the proportion equation
2,237,474.24 : 3,087,719.72 = 1,218,857.12 : x - Step 2: Convert to fraction form
2,237,474.24/3,087,719.72 = 1,218,857.12/x - Step 3: Cross multiply
2,237,474.24x = 3,087,719.72 × 1,218,857.12 - Step 4: Simplify right side
2,237,474.24x = 3,763,489,165,286.41 - Step 5: Solve for x
x = 3,763,489,165,286.41/2,237,474.24 - Step 6: Final answer
x = 1,682,025.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.