Finding the Fourth Proportional to 2,511,686.40, 3,767,529.60 and 2,413,708.80
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Solution
The fourth proportional to 2,511,686.40, 3,767,529.60 and 2,413,708.80 is: 3,620,563.20
Step by Step Solution
- Step 1: Write the proportion equation
2,511,686.40 : 3,767,529.60 = 2,413,708.80 : x - Step 2: Convert to fraction form
2,511,686.40/3,767,529.60 = 2,413,708.80/x - Step 3: Cross multiply
2,511,686.40x = 3,767,529.60 × 2,413,708.80 - Step 4: Simplify right side
2,511,686.40x = 9,093,719,349,780.48 - Step 5: Solve for x
x = 9,093,719,349,780.48/2,511,686.40 - Step 6: Final answer
x = 3,620,563.20
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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.