Finding the Fourth Proportional to 2,883,782.20, 4,321,889.12 and 2,122,056.92
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Solution
The fourth proportional to 2,883,782.20, 4,321,889.12 and 2,122,056.92 is: 3,180,300.76
Step by Step Solution
- Step 1: Write the proportion equation
2,883,782.20 : 4,321,889.12 = 2,122,056.92 : x - Step 2: Convert to fraction form
2,883,782.20/4,321,889.12 = 2,122,056.92/x - Step 3: Cross multiply
2,883,782.20x = 4,321,889.12 × 2,122,056.92 - Step 4: Simplify right side
2,883,782.20x = 9,171,294,714,568.71 - Step 5: Solve for x
x = 9,171,294,714,568.71/2,883,782.20 - Step 6: Final answer
x = 3,180,300.76
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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.