Finding the Fourth Proportional to 2,945,146.23, 4,417,725.42 and 815,236.65
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Solution
The fourth proportional to 2,945,146.23, 4,417,725.42 and 815,236.65 is: 1,222,856.66
Step by Step Solution
- Step 1: Write the proportion equation
2,945,146.23 : 4,417,725.42 = 815,236.65 : x - Step 2: Convert to fraction form
2,945,146.23/4,417,725.42 = 815,236.65/x - Step 3: Cross multiply
2,945,146.23x = 4,417,725.42 × 815,236.65 - Step 4: Simplify right side
2,945,146.23x = 3,601,491,672,020.64 - Step 5: Solve for x
x = 3,601,491,672,020.64/2,945,146.23 - Step 6: Final answer
x = 1,222,856.66
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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.