Finding the Fourth Proportional to 3,451,698.63, 5,178,295.24 and 1,321,782.84
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Solution
The fourth proportional to 3,451,698.63, 5,178,295.24 and 1,321,782.84 is: 1,982,960.43
Step by Step Solution
- Step 1: Write the proportion equation
3,451,698.63 : 5,178,295.24 = 1,321,782.84 : x - Step 2: Convert to fraction form
3,451,698.63/5,178,295.24 = 1,321,782.84/x - Step 3: Cross multiply
3,451,698.63x = 5,178,295.24 × 1,321,782.84 - Step 4: Simplify right side
3,451,698.63x = 6,844,581,785,381.23 - Step 5: Solve for x
x = 6,844,581,785,381.23/3,451,698.63 - Step 6: Final answer
x = 1,982,960.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.