Finding the Fourth Proportional to 3,858,321.88, 5,782,840.50 and 1,427,537.08
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Solution
The fourth proportional to 3,858,321.88, 5,782,840.50 and 1,427,537.08 is: 2,139,588.01
Step by Step Solution
- Step 1: Write the proportion equation
3,858,321.88 : 5,782,840.50 = 1,427,537.08 : x - Step 2: Convert to fraction form
3,858,321.88/5,782,840.50 = 1,427,537.08/x - Step 3: Cross multiply
3,858,321.88x = 5,782,840.50 × 1,427,537.08 - Step 4: Simplify right side
3,858,321.88x = 8,255,219,241,475.74 - Step 5: Solve for x
x = 8,255,219,241,475.74/3,858,321.88 - Step 6: Final answer
x = 2,139,588.01
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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.