Finding the Fourth Proportional to 3,225,850.12, 4,449,406.73 and 2,122,930.14
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Solution
The fourth proportional to 3,225,850.12, 4,449,406.73 and 2,122,930.14 is: 2,928,152.05
Step by Step Solution
- Step 1: Write the proportion equation
3,225,850.12 : 4,449,406.73 = 2,122,930.14 : x - Step 2: Convert to fraction form
3,225,850.12/4,449,406.73 = 2,122,930.14/x - Step 3: Cross multiply
3,225,850.12x = 4,449,406.73 × 2,122,930.14 - Step 4: Simplify right side
3,225,850.12x = 9,445,779,652,235.84 - Step 5: Solve for x
x = 9,445,779,652,235.84/3,225,850.12 - Step 6: Final answer
x = 2,928,152.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.