Finding the Fourth Proportional to 4,380,027.14, 6,570,040.68 and 1,388,211.14
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Solution
The fourth proportional to 4,380,027.14, 6,570,040.68 and 1,388,211.14 is: 2,082,316.70
Step by Step Solution
- Step 1: Write the proportion equation
4,380,027.14 : 6,570,040.68 = 1,388,211.14 : x - Step 2: Convert to fraction form
4,380,027.14/6,570,040.68 = 1,388,211.14/x - Step 3: Cross multiply
4,380,027.14x = 6,570,040.68 × 1,388,211.14 - Step 4: Simplify right side
4,380,027.14x = 9,120,603,662,229.17 - Step 5: Solve for x
x = 9,120,603,662,229.17/4,380,027.14 - Step 6: Final answer
x = 2,082,316.70
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1.5x scale
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.