Finding the Fourth Proportional to 2,660,467.70, 3,989,717.40 and 863,409.80
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Solution
The fourth proportional to 2,660,467.70, 3,989,717.40 and 863,409.80 is: 1,294,795.31
Step by Step Solution
- Step 1: Write the proportion equation
2,660,467.70 : 3,989,717.40 = 863,409.80 : x - Step 2: Convert to fraction form
2,660,467.70/3,989,717.40 = 863,409.80/x - Step 3: Cross multiply
2,660,467.70x = 3,989,717.40 × 863,409.80 - Step 4: Simplify right side
2,660,467.70x = 3,444,761,102,390.52 - Step 5: Solve for x
x = 3,444,761,102,390.52/2,660,467.70 - Step 6: Final answer
x = 1,294,795.31
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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.