Finding the Fourth Proportional to 2,603,438.39, 3,907,676.45 and 1,256,549.13
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Solution
The fourth proportional to 2,603,438.39, 3,907,676.45 and 1,256,549.13 is: 1,886,039.43
Step by Step Solution
- Step 1: Write the proportion equation
2,603,438.39 : 3,907,676.45 = 1,256,549.13 : x - Step 2: Convert to fraction form
2,603,438.39/3,907,676.45 = 1,256,549.13/x - Step 3: Cross multiply
2,603,438.39x = 3,907,676.45 × 1,256,549.13 - Step 4: Simplify right side
2,603,438.39x = 4,910,187,437,286.24 - Step 5: Solve for x
x = 4,910,187,437,286.24/2,603,438.39 - Step 6: Final answer
x = 1,886,039.43
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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.