Finding the Fourth Proportional to 5,149,839.36, 7,725,480.84 and 1,555,198.68
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Solution
The fourth proportional to 5,149,839.36, 7,725,480.84 and 1,555,198.68 is: 2,333,016.00
Step by Step Solution
- Step 1: Write the proportion equation
5,149,839.36 : 7,725,480.84 = 1,555,198.68 : x - Step 2: Convert to fraction form
5,149,839.36/7,725,480.84 = 1,555,198.68/x - Step 3: Cross multiply
5,149,839.36x = 7,725,480.84 × 1,555,198.68 - Step 4: Simplify right side
5,149,839.36x = 12,014,657,604,733.29 - Step 5: Solve for x
x = 12,014,657,604,733.29/5,149,839.36 - Step 6: Final answer
x = 2,333,016.00
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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.