Finding the Fourth Proportional to 1,900,276.80, 2,622,382.24 and 1,040,867.68
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Solution
The fourth proportional to 1,900,276.80, 2,622,382.24 and 1,040,867.68 is: 1,436,397.54
Step by Step Solution
- Step 1: Write the proportion equation
1,900,276.80 : 2,622,382.24 = 1,040,867.68 : x - Step 2: Convert to fraction form
1,900,276.80/2,622,382.24 = 1,040,867.68/x - Step 3: Cross multiply
1,900,276.80x = 2,622,382.24 × 1,040,867.68 - Step 4: Simplify right side
1,900,276.80x = 2,729,552,918,222.00 - Step 5: Solve for x
x = 2,729,552,918,222.00/1,900,276.80 - Step 6: Final answer
x = 1,436,397.54
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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.