Finding the Fourth Proportional to 1,393,391.46, 2,087,134.75 and 1,052,678.73
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Solution
The fourth proportional to 1,393,391.46, 2,087,134.75 and 1,052,678.73 is: 1,576,787.59
Step by Step Solution
- Step 1: Write the proportion equation
1,393,391.46 : 2,087,134.75 = 1,052,678.73 : x - Step 2: Convert to fraction form
1,393,391.46/2,087,134.75 = 1,052,678.73/x - Step 3: Cross multiply
1,393,391.46x = 2,087,134.75 × 1,052,678.73 - Step 4: Simplify right side
1,393,391.46x = 2,197,082,361,190.15 - Step 5: Solve for x
x = 2,197,082,361,190.15/1,393,391.46 - Step 6: Final answer
x = 1,576,787.59
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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.