Finding the Fourth Proportional to 1,945,769.00, 2,684,984.51 and 1,086,171.08
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Solution
The fourth proportional to 1,945,769.00, 2,684,984.51 and 1,086,171.08 is: 1,498,817.45
Step by Step Solution
- Step 1: Write the proportion equation
1,945,769.00 : 2,684,984.51 = 1,086,171.08 : x - Step 2: Convert to fraction form
1,945,769.00/2,684,984.51 = 1,086,171.08/x - Step 3: Cross multiply
1,945,769.00x = 2,684,984.51 × 1,086,171.08 - Step 4: Simplify right side
1,945,769.00x = 2,916,352,533,942.72 - Step 5: Solve for x
x = 2,916,352,533,942.72/1,945,769.00 - Step 6: Final answer
x = 1,498,817.45
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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.