Finding the Fourth Proportional to 3,684,659.60, 5,526,989.40 and 2,409,201.20
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Solution
The fourth proportional to 3,684,659.60, 5,526,989.40 and 2,409,201.20 is: 3,613,801.80
Step by Step Solution
- Step 1: Write the proportion equation
3,684,659.60 : 5,526,989.40 = 2,409,201.20 : x - Step 2: Convert to fraction form
3,684,659.60/5,526,989.40 = 2,409,201.20/x - Step 3: Cross multiply
3,684,659.60x = 5,526,989.40 × 2,409,201.20 - Step 4: Simplify right side
3,684,659.60x = 13,315,629,494,867.28 - Step 5: Solve for x
x = 13,315,629,494,867.28/3,684,659.60 - Step 6: Final answer
x = 3,613,801.80
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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.