Finding the Fourth Proportional to 1,906,506.88, 2,859,758.02 and 486,563.12
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Solution
The fourth proportional to 1,906,506.88, 2,859,758.02 and 486,563.12 is: 729,844.09
Step by Step Solution
- Step 1: Write the proportion equation
1,906,506.88 : 2,859,758.02 = 486,563.12 : x - Step 2: Convert to fraction form
1,906,506.88/2,859,758.02 = 486,563.12/x - Step 3: Cross multiply
1,906,506.88x = 2,859,758.02 × 486,563.12 - Step 4: Simplify right side
1,906,506.88x = 1,391,452,784,656.22 - Step 5: Solve for x
x = 1,391,452,784,656.22/1,906,506.88 - Step 6: Final answer
x = 729,844.09
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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.