Finding the Fourth Proportional to 3,205,198.14, 4,423,173.66 and 1,754,893.68
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Solution
The fourth proportional to 3,205,198.14, 4,423,173.66 and 1,754,893.68 is: 2,421,753.40
Step by Step Solution
- Step 1: Write the proportion equation
3,205,198.14 : 4,423,173.66 = 1,754,893.68 : x - Step 2: Convert to fraction form
3,205,198.14/4,423,173.66 = 1,754,893.68/x - Step 3: Cross multiply
3,205,198.14x = 4,423,173.66 × 1,754,893.68 - Step 4: Simplify right side
3,205,198.14x = 7,762,199,501,476.47 - Step 5: Solve for x
x = 7,762,199,501,476.47/3,205,198.14 - Step 6: Final answer
x = 2,421,753.40
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1.5x scale
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.