Finding the Fourth Proportional to 1,628,170.64, 2,247,013.08 and 903,251.68
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Solution
The fourth proportional to 1,628,170.64, 2,247,013.08 and 903,251.68 is: 1,246,563.65
Step by Step Solution
- Step 1: Write the proportion equation
1,628,170.64 : 2,247,013.08 = 903,251.68 : x - Step 2: Convert to fraction form
1,628,170.64/2,247,013.08 = 903,251.68/x - Step 3: Cross multiply
1,628,170.64x = 2,247,013.08 × 903,251.68 - Step 4: Simplify right side
1,628,170.64x = 2,029,618,339,491.97 - Step 5: Solve for x
x = 2,029,618,339,491.97/1,628,170.64 - Step 6: Final answer
x = 1,246,563.65
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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.