Finding the Fourth Proportional to 2,999,121.54, 4,498,869.21 and 1,201,771.50
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Solution
The fourth proportional to 2,999,121.54, 4,498,869.21 and 1,201,771.50 is: 1,802,732.14
Step by Step Solution
- Step 1: Write the proportion equation
2,999,121.54 : 4,498,869.21 = 1,201,771.50 : x - Step 2: Convert to fraction form
2,999,121.54/4,498,869.21 = 1,201,771.50/x - Step 3: Cross multiply
2,999,121.54x = 4,498,869.21 × 1,201,771.50 - Step 4: Simplify right side
2,999,121.54x = 5,406,612,798,805.51 - Step 5: Solve for x
x = 5,406,612,798,805.51/2,999,121.54 - Step 6: Final answer
x = 1,802,732.14
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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.