Finding the Fourth Proportional to 3,592,626.12, 5,389,015.76 and 1,287,269.84
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Solution
The fourth proportional to 3,592,626.12, 5,389,015.76 and 1,287,269.84 is: 1,930,932.19
Step by Step Solution
- Step 1: Write the proportion equation
3,592,626.12 : 5,389,015.76 = 1,287,269.84 : x - Step 2: Convert to fraction form
3,592,626.12/5,389,015.76 = 1,287,269.84/x - Step 3: Cross multiply
3,592,626.12x = 5,389,015.76 × 1,287,269.84 - Step 4: Simplify right side
3,592,626.12x = 6,937,117,421,751.25 - Step 5: Solve for x
x = 6,937,117,421,751.25/3,592,626.12 - Step 6: Final answer
x = 1,930,932.19
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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.