Finding the Fourth Proportional to 1,819,046.40, 2,728,579.05 and 471,114.60
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Solution
The fourth proportional to 1,819,046.40, 2,728,579.05 and 471,114.60 is: 706,674.35
Step by Step Solution
- Step 1: Write the proportion equation
1,819,046.40 : 2,728,579.05 = 471,114.60 : x - Step 2: Convert to fraction form
1,819,046.40/2,728,579.05 = 471,114.60/x - Step 3: Cross multiply
1,819,046.40x = 2,728,579.05 × 471,114.60 - Step 4: Simplify right side
1,819,046.40x = 1,285,473,427,709.13 - Step 5: Solve for x
x = 1,285,473,427,709.13/1,819,046.40 - Step 6: Final answer
x = 706,674.35
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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.