Finding the Fourth Proportional to 2,757,511.98, 4,136,261.76 and 1,313,813.10
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Solution
The fourth proportional to 2,757,511.98, 4,136,261.76 and 1,313,813.10 is: 1,970,716.69
Step by Step Solution
- Step 1: Write the proportion equation
2,757,511.98 : 4,136,261.76 = 1,313,813.10 : x - Step 2: Convert to fraction form
2,757,511.98/4,136,261.76 = 1,313,813.10/x - Step 3: Cross multiply
2,757,511.98x = 4,136,261.76 × 1,313,813.10 - Step 4: Simplify right side
2,757,511.98x = 5,434,274,885,317.06 - Step 5: Solve for x
x = 5,434,274,885,317.06/2,757,511.98 - Step 6: Final answer
x = 1,970,716.69
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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.