Finding the Fourth Proportional to 1,884,172.28, 2,825,188.11 and 1,285,858.26
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Solution
The fourth proportional to 1,884,172.28, 2,825,188.11 and 1,285,858.26 is: 1,928,056.96
Step by Step Solution
- Step 1: Write the proportion equation
1,884,172.28 : 2,825,188.11 = 1,285,858.26 : x - Step 2: Convert to fraction form
1,884,172.28/2,825,188.11 = 1,285,858.26/x - Step 3: Cross multiply
1,884,172.28x = 2,825,188.11 × 1,285,858.26 - Step 4: Simplify right side
1,884,172.28x = 3,632,791,467,297.29 - Step 5: Solve for x
x = 3,632,791,467,297.29/1,884,172.28 - Step 6: Final answer
x = 1,928,056.96
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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.