Finding the Fourth Proportional to 4,863,511.20, 7,284,769.20 and 4,023,703.20
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Solution
The fourth proportional to 4,863,511.20, 7,284,769.20 and 4,023,703.20 is: 6,026,869.88
Step by Step Solution
- Step 1: Write the proportion equation
4,863,511.20 : 7,284,769.20 = 4,023,703.20 : x - Step 2: Convert to fraction form
4,863,511.20/7,284,769.20 = 4,023,703.20/x - Step 3: Cross multiply
4,863,511.20x = 7,284,769.20 × 4,023,703.20 - Step 4: Simplify right side
4,863,511.20x = 29,311,749,141,301.44 - Step 5: Solve for x
x = 29,311,749,141,301.44/4,863,511.20 - Step 6: Final answer
x = 6,026,869.88
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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.