Finding the Fourth Proportional to 1,456,422.09, 2,184,629.94 and 391,464.12
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Solution
The fourth proportional to 1,456,422.09, 2,184,629.94 and 391,464.12 is: 587,195.32
Step by Step Solution
- Step 1: Write the proportion equation
1,456,422.09 : 2,184,629.94 = 391,464.12 : x - Step 2: Convert to fraction form
1,456,422.09/2,184,629.94 = 391,464.12/x - Step 3: Cross multiply
1,456,422.09x = 2,184,629.94 × 391,464.12 - Step 4: Simplify right side
1,456,422.09x = 855,204,236,987.75 - Step 5: Solve for x
x = 855,204,236,987.75/1,456,422.09 - Step 6: Final answer
x = 587,195.32
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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.