Finding the Fourth Proportional to 1,571,961.87, 2,357,939.86 and 492,557.06
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Solution
The fourth proportional to 1,571,961.87, 2,357,939.86 and 492,557.06 is: 738,834.66
Step by Step Solution
- Step 1: Write the proportion equation
1,571,961.87 : 2,357,939.86 = 492,557.06 : x - Step 2: Convert to fraction form
1,571,961.87/2,357,939.86 = 492,557.06/x - Step 3: Cross multiply
1,571,961.87x = 2,357,939.86 × 492,557.06 - Step 4: Simplify right side
1,571,961.87x = 1,161,419,910,845.93 - Step 5: Solve for x
x = 1,161,419,910,845.93/1,571,961.87 - Step 6: Final answer
x = 738,834.66
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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.