Finding the Fourth Proportional to 1,765,449.69, 2,436,568.74 and 1,030,644.96
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Solution
The fourth proportional to 1,765,449.69, 2,436,568.74 and 1,030,644.96 is: 1,422,434.92
Step by Step Solution
- Step 1: Write the proportion equation
1,765,449.69 : 2,436,568.74 = 1,030,644.96 : x - Step 2: Convert to fraction form
1,765,449.69/2,436,568.74 = 1,030,644.96/x - Step 3: Cross multiply
1,765,449.69x = 2,436,568.74 × 1,030,644.96 - Step 4: Simplify right side
1,765,449.69x = 2,511,237,291,574.55 - Step 5: Solve for x
x = 2,511,237,291,574.55/1,765,449.69 - Step 6: Final answer
x = 1,422,434.92
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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.