Finding the Fourth Proportional to 3,984,749.84, 5,498,936.28 and 2,173,913.84
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Solution
The fourth proportional to 3,984,749.84, 5,498,936.28 and 2,173,913.84 is: 2,999,991.01
Step by Step Solution
- Step 1: Write the proportion equation
3,984,749.84 : 5,498,936.28 = 2,173,913.84 : x - Step 2: Convert to fraction form
3,984,749.84/5,498,936.28 = 2,173,913.84/x - Step 3: Cross multiply
3,984,749.84x = 5,498,936.28 × 2,173,913.84 - Step 4: Simplify right side
3,984,749.84x = 11,954,213,684,370.12 - Step 5: Solve for x
x = 11,954,213,684,370.12/3,984,749.84 - Step 6: Final answer
x = 2,999,991.01
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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.