Finding the Fourth Proportional to 5,634,194.40, 8,451,291.60 and 1,645,106.40
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Solution
The fourth proportional to 5,634,194.40, 8,451,291.60 and 1,645,106.40 is: 2,467,659.60
Step by Step Solution
- Step 1: Write the proportion equation
5,634,194.40 : 8,451,291.60 = 1,645,106.40 : x - Step 2: Convert to fraction form
5,634,194.40/8,451,291.60 = 1,645,106.40/x - Step 3: Cross multiply
5,634,194.40x = 8,451,291.60 × 1,645,106.40 - Step 4: Simplify right side
5,634,194.40x = 13,903,273,899,426.24 - Step 5: Solve for x
x = 13,903,273,899,426.24/5,634,194.40 - Step 6: Final answer
x = 2,467,659.60
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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.