Finding the Fourth Proportional to 1,787,913.24, 2,678,920.42 and 1,030,390.96
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Solution
The fourth proportional to 1,787,913.24, 2,678,920.42 and 1,030,390.96 is: 1,543,886.65
Step by Step Solution
- Step 1: Write the proportion equation
1,787,913.24 : 2,678,920.42 = 1,030,390.96 : x - Step 2: Convert to fraction form
1,787,913.24/2,678,920.42 = 1,030,390.96/x - Step 3: Cross multiply
1,787,913.24x = 2,678,920.42 × 1,030,390.96 - Step 4: Simplify right side
1,787,913.24x = 2,760,335,383,327.40 - Step 5: Solve for x
x = 2,760,335,383,327.40/1,787,913.24 - Step 6: Final answer
x = 1,543,886.65
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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.