Finding the Fourth Proportional to 1,568,798.63, 2,352,888.08 and 431,267.31
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Solution
The fourth proportional to 1,568,798.63, 2,352,888.08 and 431,267.31 is: 646,815.78
Step by Step Solution
- Step 1: Write the proportion equation
1,568,798.63 : 2,352,888.08 = 431,267.31 : x - Step 2: Convert to fraction form
1,568,798.63/2,352,888.08 = 431,267.31/x - Step 3: Cross multiply
1,568,798.63x = 2,352,888.08 × 431,267.31 - Step 4: Simplify right side
1,568,798.63x = 1,014,723,710,836.33 - Step 5: Solve for x
x = 1,014,723,710,836.33/1,568,798.63 - Step 6: Final answer
x = 646,815.78
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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.