Finding the Fourth Proportional to 2,134,212.56, 3,201,324.31 and 872,040.18
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Solution
The fourth proportional to 2,134,212.56, 3,201,324.31 and 872,040.18 is: 1,308,062.51
Step by Step Solution
- Step 1: Write the proportion equation
2,134,212.56 : 3,201,324.31 = 872,040.18 : x - Step 2: Convert to fraction form
2,134,212.56/3,201,324.31 = 872,040.18/x - Step 3: Cross multiply
2,134,212.56x = 3,201,324.31 × 872,040.18 - Step 4: Simplify right side
2,134,212.56x = 2,791,683,435,720.57 - Step 5: Solve for x
x = 2,791,683,435,720.57/2,134,212.56 - Step 6: Final answer
x = 1,308,062.51
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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.