Finding the Fourth Proportional to 2,214,405.80, 3,321,608.70 and 531,509.30
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Solution
The fourth proportional to 2,214,405.80, 3,321,608.70 and 531,509.30 is: 797,263.95
Step by Step Solution
- Step 1: Write the proportion equation
2,214,405.80 : 3,321,608.70 = 531,509.30 : x - Step 2: Convert to fraction form
2,214,405.80/3,321,608.70 = 531,509.30/x - Step 3: Cross multiply
2,214,405.80x = 3,321,608.70 × 531,509.30 - Step 4: Simplify right side
2,214,405.80x = 1,765,465,915,010.91 - Step 5: Solve for x
x = 1,765,465,915,010.91/2,214,405.80 - Step 6: Final answer
x = 797,263.95
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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.