Finding the Fourth Proportional to 1,568,327.29, 2,352,548.85 and 431,178.36
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Solution
The fourth proportional to 1,568,327.29, 2,352,548.85 and 431,178.36 is: 646,783.46
Step by Step Solution
- Step 1: Write the proportion equation
1,568,327.29 : 2,352,548.85 = 431,178.36 : x - Step 2: Convert to fraction form
1,568,327.29/2,352,548.85 = 431,178.36/x - Step 3: Cross multiply
1,568,327.29x = 2,352,548.85 × 431,178.36 - Step 4: Simplify right side
1,568,327.29x = 1,014,368,146,949.29 - Step 5: Solve for x
x = 1,014,368,146,949.29/1,568,327.29 - Step 6: Final answer
x = 646,783.46
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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.