Finding the Fourth Proportional to 2,199,519.36, 3,299,542.56 and 779,284.80
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Solution
The fourth proportional to 2,199,519.36, 3,299,542.56 and 779,284.80 is: 1,169,020.56
Step by Step Solution
- Step 1: Write the proportion equation
2,199,519.36 : 3,299,542.56 = 779,284.80 : x - Step 2: Convert to fraction form
2,199,519.36/3,299,542.56 = 779,284.80/x - Step 3: Cross multiply
2,199,519.36x = 3,299,542.56 × 779,284.80 - Step 4: Simplify right side
2,199,519.36x = 2,571,283,363,961.09 - Step 5: Solve for x
x = 2,571,283,363,961.09/2,199,519.36 - Step 6: Final answer
x = 1,169,020.56
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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.