Finding the Fourth Proportional to 5,646,788.38, 8,470,551.21 and 4,134,995.74
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Solution
The fourth proportional to 5,646,788.38, 8,470,551.21 and 4,134,995.74 is: 6,202,763.56
Step by Step Solution
- Step 1: Write the proportion equation
5,646,788.38 : 8,470,551.21 = 4,134,995.74 : x - Step 2: Convert to fraction form
5,646,788.38/8,470,551.21 = 4,134,995.74/x - Step 3: Cross multiply
5,646,788.38x = 8,470,551.21 × 4,134,995.74 - Step 4: Simplify right side
5,646,788.38x = 35,025,693,168,801.85 - Step 5: Solve for x
x = 35,025,693,168,801.85/5,646,788.38 - Step 6: Final answer
x = 6,202,763.56
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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.