Finding the Fourth Proportional to 3,078,402.36, 4,618,350.96 and 948,486.42
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Solution
The fourth proportional to 3,078,402.36, 4,618,350.96 and 948,486.42 is: 1,422,959.92
Step by Step Solution
- Step 1: Write the proportion equation
3,078,402.36 : 4,618,350.96 = 948,486.42 : x - Step 2: Convert to fraction form
3,078,402.36/4,618,350.96 = 948,486.42/x - Step 3: Cross multiply
3,078,402.36x = 4,618,350.96 × 948,486.42 - Step 4: Simplify right side
3,078,402.36x = 4,380,443,168,353.96 - Step 5: Solve for x
x = 4,380,443,168,353.96/3,078,402.36 - Step 6: Final answer
x = 1,422,959.92
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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.