Finding the Fourth Proportional to 2,214,753.20, 3,322,129.80 and 1,204,359.20
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Solution
The fourth proportional to 2,214,753.20, 3,322,129.80 and 1,204,359.20 is: 1,806,538.80
Step by Step Solution
- Step 1: Write the proportion equation
2,214,753.20 : 3,322,129.80 = 1,204,359.20 : x - Step 2: Convert to fraction form
2,214,753.20/3,322,129.80 = 1,204,359.20/x - Step 3: Cross multiply
2,214,753.20x = 3,322,129.80 × 1,204,359.20 - Step 4: Simplify right side
2,214,753.20x = 4,001,037,588,224.16 - Step 5: Solve for x
x = 4,001,037,588,224.16/2,214,753.20 - Step 6: Final answer
x = 1,806,538.80
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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.