Finding the Fourth Proportional to 2,269,939.14, 3,132,359.02 and 1,276,655.68
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Solution
The fourth proportional to 2,269,939.14, 3,132,359.02 and 1,276,655.68 is: 1,761,696.54
Step by Step Solution
- Step 1: Write the proportion equation
2,269,939.14 : 3,132,359.02 = 1,276,655.68 : x - Step 2: Convert to fraction form
2,269,939.14/3,132,359.02 = 1,276,655.68/x - Step 3: Cross multiply
2,269,939.14x = 3,132,359.02 × 1,276,655.68 - Step 4: Simplify right side
2,269,939.14x = 3,998,943,933,012.31 - Step 5: Solve for x
x = 3,998,943,933,012.31/2,269,939.14 - Step 6: Final answer
x = 1,761,696.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.