Finding the Fourth Proportional to 1,996,193.18, 2,754,753.76 and 1,090,775.18
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Solution
The fourth proportional to 1,996,193.18, 2,754,753.76 and 1,090,775.18 is: 1,505,273.67
Step by Step Solution
- Step 1: Write the proportion equation
1,996,193.18 : 2,754,753.76 = 1,090,775.18 : x - Step 2: Convert to fraction form
1,996,193.18/2,754,753.76 = 1,090,775.18/x - Step 3: Cross multiply
1,996,193.18x = 2,754,753.76 × 1,090,775.18 - Step 4: Simplify right side
1,996,193.18x = 3,004,817,028,419.68 - Step 5: Solve for x
x = 3,004,817,028,419.68/1,996,193.18 - Step 6: Final answer
x = 1,505,273.67
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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.