Finding the Fourth Proportional to 4,259,236.85, 6,388,985.01 and 1,665,438.08
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Solution
The fourth proportional to 4,259,236.85, 6,388,985.01 and 1,665,438.08 is: 2,498,207.85
Step by Step Solution
- Step 1: Write the proportion equation
4,259,236.85 : 6,388,985.01 = 1,665,438.08 : x - Step 2: Convert to fraction form
4,259,236.85/6,388,985.01 = 1,665,438.08/x - Step 3: Cross multiply
4,259,236.85x = 6,388,985.01 × 1,665,438.08 - Step 4: Simplify right side
4,259,236.85x = 10,640,458,928,203.18 - Step 5: Solve for x
x = 10,640,458,928,203.18/4,259,236.85 - Step 6: Final answer
x = 2,498,207.85
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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.