Finding the Fourth Proportional to 3,278,224.98, 4,914,532.62 and 1,257,918.66
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Solution
The fourth proportional to 3,278,224.98, 4,914,532.62 and 1,257,918.66 is: 1,885,801.71
Step by Step Solution
- Step 1: Write the proportion equation
3,278,224.98 : 4,914,532.62 = 1,257,918.66 : x - Step 2: Convert to fraction form
3,278,224.98/4,914,532.62 = 1,257,918.66/x - Step 3: Cross multiply
3,278,224.98x = 4,914,532.62 × 1,257,918.66 - Step 4: Simplify right side
3,278,224.98x = 6,182,082,287,876.69 - Step 5: Solve for x
x = 6,182,082,287,876.69/3,278,224.98 - Step 6: Final answer
x = 1,885,801.71
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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.