Finding the Fourth Proportional to 1,679,291.68, 2,317,422.36 and 915,350.44
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Solution
The fourth proportional to 1,679,291.68, 2,317,422.36 and 915,350.44 is: 1,263,183.52
Step by Step Solution
- Step 1: Write the proportion equation
1,679,291.68 : 2,317,422.36 = 915,350.44 : x - Step 2: Convert to fraction form
1,679,291.68/2,317,422.36 = 915,350.44/x - Step 3: Cross multiply
1,679,291.68x = 2,317,422.36 × 915,350.44 - Step 4: Simplify right side
1,679,291.68x = 2,121,253,576,891.84 - Step 5: Solve for x
x = 2,121,253,576,891.84/1,679,291.68 - Step 6: Final answer
x = 1,263,183.52
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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.