Finding the Fourth Proportional to 2,155,231.70, 3,232,730.35 and 659,323.70
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Solution
The fourth proportional to 2,155,231.70, 3,232,730.35 and 659,323.70 is: 988,949.70
Step by Step Solution
- Step 1: Write the proportion equation
2,155,231.70 : 3,232,730.35 = 659,323.70 : x - Step 2: Convert to fraction form
2,155,231.70/3,232,730.35 = 659,323.70/x - Step 3: Cross multiply
2,155,231.70x = 3,232,730.35 × 659,323.70 - Step 4: Simplify right side
2,155,231.70x = 2,131,415,735,464.30 - Step 5: Solve for x
x = 2,131,415,735,464.30/2,155,231.70 - Step 6: Final answer
x = 988,949.70
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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.