Finding the Fourth Proportional to 5,659,932.70, 8,489,899.05 and 1,616,412.70
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Solution
The fourth proportional to 5,659,932.70, 8,489,899.05 and 1,616,412.70 is: 2,424,619.05
Step by Step Solution
- Step 1: Write the proportion equation
5,659,932.70 : 8,489,899.05 = 1,616,412.70 : x - Step 2: Convert to fraction form
5,659,932.70/8,489,899.05 = 1,616,412.70/x - Step 3: Cross multiply
5,659,932.70x = 8,489,899.05 × 1,616,412.70 - Step 4: Simplify right side
5,659,932.70x = 13,723,180,646,137.94 - Step 5: Solve for x
x = 13,723,180,646,137.94/5,659,932.70 - Step 6: Final answer
x = 2,424,619.05
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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.