Finding the Fourth Proportional to 1,568,798.12, 2,352,887.33 and 431,266.81
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Solution
The fourth proportional to 1,568,798.12, 2,352,887.33 and 431,266.81 is: 646,815.04
Step by Step Solution
- Step 1: Write the proportion equation
1,568,798.12 : 2,352,887.33 = 431,266.81 : x - Step 2: Convert to fraction form
1,568,798.12/2,352,887.33 = 431,266.81/x - Step 3: Cross multiply
1,568,798.12x = 2,352,887.33 × 431,266.81 - Step 4: Simplify right side
1,568,798.12x = 1,014,722,213,098.52 - Step 5: Solve for x
x = 1,014,722,213,098.52/1,568,798.12 - Step 6: Final answer
x = 646,815.04
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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.