Finding the Fourth Proportional to 1,665,934.37, 2,498,901.56 and 403,761.99
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Solution
The fourth proportional to 1,665,934.37, 2,498,901.56 and 403,761.99 is: 605,642.99
Step by Step Solution
- Step 1: Write the proportion equation
1,665,934.37 : 2,498,901.56 = 403,761.99 : x - Step 2: Convert to fraction form
1,665,934.37/2,498,901.56 = 403,761.99/x - Step 3: Cross multiply
1,665,934.37x = 2,498,901.56 × 403,761.99 - Step 4: Simplify right side
1,665,934.37x = 1,008,961,466,679.70 - Step 5: Solve for x
x = 1,008,961,466,679.70/1,665,934.37 - Step 6: Final answer
x = 605,642.99
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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.