Finding the Fourth Proportional to 3,214,423.12, 4,821,634.68 and 1,526,409.04
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Solution
The fourth proportional to 3,214,423.12, 4,821,634.68 and 1,526,409.04 is: 2,289,613.56
Step by Step Solution
- Step 1: Write the proportion equation
3,214,423.12 : 4,821,634.68 = 1,526,409.04 : x - Step 2: Convert to fraction form
3,214,423.12/4,821,634.68 = 1,526,409.04/x - Step 3: Cross multiply
3,214,423.12x = 4,821,634.68 × 1,526,409.04 - Step 4: Simplify right side
3,214,423.12x = 7,359,786,763,129.51 - Step 5: Solve for x
x = 7,359,786,763,129.51/3,214,423.12 - Step 6: Final answer
x = 2,289,613.56
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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.