Finding the Fourth Proportional to 3,984,750.84, 5,498,937.66 and 2,173,914.84
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Solution
The fourth proportional to 3,984,750.84, 5,498,937.66 and 2,173,914.84 is: 2,999,992.39
Step by Step Solution
- Step 1: Write the proportion equation
3,984,750.84 : 5,498,937.66 = 2,173,914.84 : x - Step 2: Convert to fraction form
3,984,750.84/5,498,937.66 = 2,173,914.84/x - Step 3: Cross multiply
3,984,750.84x = 5,498,937.66 × 2,173,914.84 - Step 4: Simplify right side
3,984,750.84x = 11,954,222,183,308.87 - Step 5: Solve for x
x = 11,954,222,183,308.87/3,984,750.84 - Step 6: Final answer
x = 2,999,992.39
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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.