Finding the Fourth Proportional to 1,800,928.79, 2,485,249.09 and 985,125.33
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Solution
The fourth proportional to 1,800,928.79, 2,485,249.09 and 985,125.33 is: 1,359,455.11
Step by Step Solution
- Step 1: Write the proportion equation
1,800,928.79 : 2,485,249.09 = 985,125.33 : x - Step 2: Convert to fraction form
1,800,928.79/2,485,249.09 = 985,125.33/x - Step 3: Cross multiply
1,800,928.79x = 2,485,249.09 × 985,125.33 - Step 4: Simplify right side
1,800,928.79x = 2,448,281,839,687.68 - Step 5: Solve for x
x = 2,448,281,839,687.68/1,800,928.79 - Step 6: Final answer
x = 1,359,455.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.