Finding the Fourth Proportional to 5,247,826.56, 7,874,228.16 and 3,122,110.08
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Solution
The fourth proportional to 5,247,826.56, 7,874,228.16 and 3,122,110.08 is: 4,684,645.51
Step by Step Solution
- Step 1: Write the proportion equation
5,247,826.56 : 7,874,228.16 = 3,122,110.08 : x - Step 2: Convert to fraction form
5,247,826.56/7,874,228.16 = 3,122,110.08/x - Step 3: Cross multiply
5,247,826.56x = 7,874,228.16 × 3,122,110.08 - Step 4: Simplify right side
5,247,826.56x = 24,584,207,110,555.86 - Step 5: Solve for x
x = 24,584,207,110,555.86/5,247,826.56 - Step 6: Final answer
x = 4,684,645.51
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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.