Finding the Fourth Proportional to 2,686,795.40, 4,030,106.70 and 889,761.80
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Solution
The fourth proportional to 2,686,795.40, 4,030,106.70 and 889,761.80 is: 1,334,614.09
Step by Step Solution
- Step 1: Write the proportion equation
2,686,795.40 : 4,030,106.70 = 889,761.80 : x - Step 2: Convert to fraction form
2,686,795.40/4,030,106.70 = 889,761.80/x - Step 3: Cross multiply
2,686,795.40x = 4,030,106.70 × 889,761.80 - Step 4: Simplify right side
2,686,795.40x = 3,585,834,991,584.06 - Step 5: Solve for x
x = 3,585,834,991,584.06/2,686,795.40 - Step 6: Final answer
x = 1,334,614.09
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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.