Finding the Fourth Proportional to 1,409,584.55, 2,114,376.82 and 344,613.96
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Solution
The fourth proportional to 1,409,584.55, 2,114,376.82 and 344,613.96 is: 516,920.94
Step by Step Solution
- Step 1: Write the proportion equation
1,409,584.55 : 2,114,376.82 = 344,613.96 : x - Step 2: Convert to fraction form
1,409,584.55/2,114,376.82 = 344,613.96/x - Step 3: Cross multiply
1,409,584.55x = 2,114,376.82 × 344,613.96 - Step 4: Simplify right side
1,409,584.55x = 728,643,768,010.87 - Step 5: Solve for x
x = 728,643,768,010.87/1,409,584.55 - Step 6: Final answer
x = 516,920.94
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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.