Finding the Fourth Proportional to 3,775,745.40, 5,665,586.40 and 1,646,044.80
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Solution
The fourth proportional to 3,775,745.40, 5,665,586.40 and 1,646,044.80 is: 2,469,925.28
Step by Step Solution
- Step 1: Write the proportion equation
3,775,745.40 : 5,665,586.40 = 1,646,044.80 : x - Step 2: Convert to fraction form
3,775,745.40/5,665,586.40 = 1,646,044.80/x - Step 3: Cross multiply
3,775,745.40x = 5,665,586.40 × 1,646,044.80 - Step 4: Simplify right side
3,775,745.40x = 9,325,809,032,670.72 - Step 5: Solve for x
x = 9,325,809,032,670.72/3,775,745.40 - Step 6: Final answer
x = 2,469,925.28
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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.