Finding the Fourth Proportional to 1,791,078.21, 2,686,611.24 and 726,117.75
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Solution
The fourth proportional to 1,791,078.21, 2,686,611.24 and 726,117.75 is: 1,089,174.16
Step by Step Solution
- Step 1: Write the proportion equation
1,791,078.21 : 2,686,611.24 = 726,117.75 : x - Step 2: Convert to fraction form
1,791,078.21/2,686,611.24 = 726,117.75/x - Step 3: Cross multiply
1,791,078.21x = 2,686,611.24 × 726,117.75 - Step 4: Simplify right side
1,791,078.21x = 1,950,796,108,713.51 - Step 5: Solve for x
x = 1,950,796,108,713.51/1,791,078.21 - Step 6: Final answer
x = 1,089,174.16
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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.