Finding the Fourth Proportional to 3,222,412.12, 4,446,840.04 and 1,772,107.55
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Solution
The fourth proportional to 3,222,412.12, 4,446,840.04 and 1,772,107.55 is: 2,445,459.66
Step by Step Solution
- Step 1: Write the proportion equation
3,222,412.12 : 4,446,840.04 = 1,772,107.55 : x - Step 2: Convert to fraction form
3,222,412.12/4,446,840.04 = 1,772,107.55/x - Step 3: Cross multiply
3,222,412.12x = 4,446,840.04 × 1,772,107.55 - Step 4: Simplify right side
3,222,412.12x = 7,880,278,833,519.06 - Step 5: Solve for x
x = 7,880,278,833,519.06/3,222,412.12 - Step 6: Final answer
x = 2,445,459.66
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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.