Finding the Fourth Proportional to 2,292,471.36, 3,162,292.92 and 1,431,537.12
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Solution
The fourth proportional to 2,292,471.36, 3,162,292.92 and 1,431,537.12 is: 1,974,698.48
Step by Step Solution
- Step 1: Write the proportion equation
2,292,471.36 : 3,162,292.92 = 1,431,537.12 : x - Step 2: Convert to fraction form
2,292,471.36/3,162,292.92 = 1,431,537.12/x - Step 3: Cross multiply
2,292,471.36x = 3,162,292.92 × 1,431,537.12 - Step 4: Simplify right side
2,292,471.36x = 4,526,939,699,293.19 - Step 5: Solve for x
x = 4,526,939,699,293.19/2,292,471.36 - Step 6: Final answer
x = 1,974,698.48
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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.