Finding the Fourth Proportional to 5,565,441.56, 7,681,120.13 and 3,118,217.99
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Solution
The fourth proportional to 5,565,441.56, 7,681,120.13 and 3,118,217.99 is: 4,303,595.09
Step by Step Solution
- Step 1: Write the proportion equation
5,565,441.56 : 7,681,120.13 = 3,118,217.99 : x - Step 2: Convert to fraction form
5,565,441.56/7,681,120.13 = 3,118,217.99/x - Step 3: Cross multiply
5,565,441.56x = 7,681,120.13 × 3,118,217.99 - Step 4: Simplify right side
5,565,441.56x = 23,951,406,942,107.08 - Step 5: Solve for x
x = 23,951,406,942,107.08/5,565,441.56 - Step 6: Final answer
x = 4,303,595.09
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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.