Finding the Fourth Proportional to 1,409,572.44, 2,114,339.76 and 344,623.68
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Solution
The fourth proportional to 1,409,572.44, 2,114,339.76 and 344,623.68 is: 516,930.90
Step by Step Solution
- Step 1: Write the proportion equation
1,409,572.44 : 2,114,339.76 = 344,623.68 : x - Step 2: Convert to fraction form
1,409,572.44/2,114,339.76 = 344,623.68/x - Step 3: Cross multiply
1,409,572.44x = 2,114,339.76 × 344,623.68 - Step 4: Simplify right side
1,409,572.44x = 728,651,548,861.52 - Step 5: Solve for x
x = 728,651,548,861.52/1,409,572.44 - Step 6: Final answer
x = 516,930.90
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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.